diff --git a/bobassembly/prototypes/assembly-electronics-updates.lua b/bobassembly/prototypes/assembly-electronics-updates.lua
index b159c279c..48c51267f 100644
--- a/bobassembly/prototypes/assembly-electronics-updates.lua
+++ b/bobassembly/prototypes/assembly-electronics-updates.lua
@@ -41,8 +41,8 @@ if settings.startup["bobmods-assembly-electronicmachines"].value == true then
   if data.raw.item["bob-copper-tungsten-alloy"] then
     bobmods.lib.recipe.replace_ingredient("bob-electronics-machine-3", "iron-plate", "bob-copper-tungsten-alloy")
     bobmods.lib.tech.add_prerequisite("bob-electronics-machine-3", "bob-tungsten-alloy-processing")
-  elseif data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-electronics-machine-3", "iron-plate", "bob-tungsten-plate")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electronics-machine-3", "iron-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-electronics-machine-3", "bob-tungsten-processing")
   end
 
diff --git a/bobassembly/prototypes/assembly-updates.lua b/bobassembly/prototypes/assembly-updates.lua
index fbdbc183d..36cba24ae 100644
--- a/bobassembly/prototypes/assembly-updates.lua
+++ b/bobassembly/prototypes/assembly-updates.lua
@@ -75,15 +75,23 @@ elseif data.raw.item["bob-steel-gear-wheel"] then
   bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-4", "iron-gear-wheel", "bob-steel-gear-wheel")
 end
 
-if data.raw.item["bob-titanium-plate"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-5", "steel-plate", "bob-stainless-steel-alloy")
+  bobmods.lib.tech.add_prerequisite("automation-5", "bob-tungsten-processing")
+elseif data.raw.item["bob-titanium-plate"] then
   bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-5", "steel-plate", "bob-titanium-plate")
   bobmods.lib.tech.add_prerequisite("automation-5", "bob-titanium-processing")
-elseif data.raw.item["bob-tungsten-plate"] then
-  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-5", "steel-plate", "bob-tungsten-plate")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-5", "steel-plate", "tungsten-plate")
   bobmods.lib.tech.add_prerequisite("automation-5", "bob-tungsten-processing")
 end
 
-if data.raw.item["bob-titanium-bearing"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-bearing"] then
+  bobmods.lib.recipe.add_ingredient(
+    "bob-assembling-machine-5",
+    { type = "item", name = "bob-stainless-steel-bearing", amount = 5 }
+  )
+elseif data.raw.item["bob-titanium-bearing"] then
   bobmods.lib.recipe.add_ingredient(
     "bob-assembling-machine-5",
     { type = "item", name = "bob-titanium-bearing", amount = 5 }
@@ -92,7 +100,10 @@ else
   bobmods.lib.recipe.add_ingredient("bob-assembling-machine-5", { type = "item", name = "iron-gear-wheel", amount = 3 })
 end
 
-if data.raw.item["bob-titanium-gear-wheel"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-5", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+  bobmods.lib.tech.add_prerequisite("automation-5", "bob-tungsten-processing")
+elseif data.raw.item["bob-titanium-gear-wheel"] then
   bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-5", "iron-gear-wheel", "bob-titanium-gear-wheel")
   bobmods.lib.tech.add_prerequisite("automation-5", "bob-titanium-processing")
 elseif data.raw.item["bob-tungsten-gear-wheel"] then
@@ -108,11 +119,11 @@ elseif data.raw.item["bob-titanium-plate"] then
   bobmods.lib.tech.add_prerequisite("automation-6", "bob-titanium-processing")
 end
 
-if data.raw.item["bob-tungsten-carbide"] then
-  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-6", "iron-plate", "bob-tungsten-carbide")
+if data.raw.item["tungsten-carbide"] then
+  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-6", "iron-plate", "tungsten-carbide")
   bobmods.lib.tech.add_prerequisite("automation-6", "bob-tungsten-alloy-processing")
-elseif data.raw.item["bob-tungsten-plate"] then
-  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-6", "iron-plate", "bob-tungsten-plate")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.replace_ingredient("bob-assembling-machine-6", "iron-plate", "tungsten-plate")
   bobmods.lib.tech.add_prerequisite("automation-6", "bob-tungsten-processing")
 end
 
diff --git a/bobassembly/prototypes/centrifuge-updates.lua b/bobassembly/prototypes/centrifuge-updates.lua
index 2a4f926b0..1b4898faa 100644
--- a/bobassembly/prototypes/centrifuge-updates.lua
+++ b/bobassembly/prototypes/centrifuge-updates.lua
@@ -9,11 +9,16 @@ if settings.startup["bobmods-assembly-centrifuge"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-centrifuge-2", "bob-titanium-processing")
   end
 
-  if data.raw.item["bob-titanium-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-centrifuge-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-steam-turbine-2", "bob-tungsten-processing")
+  elseif data.raw.item["bob-titanium-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-centrifuge-2", "iron-gear-wheel", "bob-titanium-gear-wheel")
   end
 
-  if data.raw.item["bob-titanium-bearing"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-bearing"] then
+    bobmods.lib.recipe.replace_ingredient("bob-centrifuge-2", "iron-gear-wheel", "bob-stainless-steel-bearing")
+  elseif data.raw.item["bob-titanium-bearing"] then
     bobmods.lib.recipe.add_ingredient("bob-centrifuge-2", { type = "item", name = "bob-titanium-bearing", amount = 50 })
   end
 
@@ -22,8 +27,8 @@ if settings.startup["bobmods-assembly-centrifuge"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-centrifuge-3", "bob-nitinol-processing")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-centrifuge-3", "refined-concrete", "bob-tungsten-carbide")
+  if data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-centrifuge-3", "refined-concrete", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("bob-centrifuge-3", "bob-tungsten-alloy-processing")
   end
 
diff --git a/bobassembly/prototypes/chemical-mixing-furnace-updates.lua b/bobassembly/prototypes/chemical-mixing-furnace-updates.lua
index 79424d76c..9b2955946 100644
--- a/bobassembly/prototypes/chemical-mixing-furnace-updates.lua
+++ b/bobassembly/prototypes/chemical-mixing-furnace-updates.lua
@@ -18,16 +18,23 @@ then
     bobmods.lib.tech.add_prerequisite("bob-multi-purpose-furnace-1", "bob-invar-processing")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace", "stone-brick", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace", "stone-brick", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-multi-purpose-furnace-1", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace", "stone-brick", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-multi-purpose-furnace-1", "bob-tungsten-processing")
   end
 
-  if data.raw.item["bob-tungsten-pipe"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-pipe"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace", "pipe", "bob-stainless-steel-pipe")
+  elseif data.raw.item["bob-tungsten-pipe"] then
     bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace", "pipe", "bob-tungsten-pipe")
   end
 
-  if data.raw.item["bob-copper-tungsten-pipe"] then
+  if mods["space-age"] and data.raw.item["bob-tungsten-pipe"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace-2", "pipe", "bob-tungsten-pipe")
+  elseif data.raw.item["bob-copper-tungsten-pipe"] then
     bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace-2", "pipe", "bob-copper-tungsten-pipe")
   elseif data.raw.item["bob-tungsten-pipe"] then
     bobmods.lib.recipe.replace_ingredient("bob-electric-chemical-mixing-furnace-2", "pipe", "bob-tungsten-pipe")
@@ -42,11 +49,18 @@ then
     bobmods.lib.tech.add_prerequisite("bob-multi-purpose-furnace-2", "bob-tungsten-alloy-processing")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
+  if mods["space-age"] and data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient(
+      "bob-electric-chemical-mixing-furnace-2",
+      "stone-brick",
+      "tungsten-plate"
+    )
+    bobmods.lib.tech.add_prerequisite("bob-multi-purpose-furnace-2", "metallurgic-science-pack")
+  elseif data.raw.item["tungsten-carbide"] then
     bobmods.lib.recipe.replace_ingredient(
       "bob-electric-chemical-mixing-furnace-2",
       "stone-brick",
-      "bob-tungsten-carbide"
+      "tungsten-carbide"
     )
     bobmods.lib.tech.add_prerequisite("bob-multi-purpose-furnace-2", "bob-tungsten-alloy-processing")
   end
diff --git a/bobassembly/prototypes/distillery-updates.lua b/bobassembly/prototypes/distillery-updates.lua
index a66097a8b..5af033cc5 100644
--- a/bobassembly/prototypes/distillery-updates.lua
+++ b/bobassembly/prototypes/distillery-updates.lua
@@ -38,8 +38,11 @@ then
     bobmods.lib.tech.add_prerequisite("bob-distillery-3", "bob-invar-processing")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-distillery-4", "steel-plate", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-distillery-4", "steel-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-distillery-4", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-distillery-4", "steel-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-distillery-4", "bob-tungsten-processing")
   end
 
@@ -57,7 +60,10 @@ then
     bobmods.lib.tech.add_prerequisite("bob-distillery-5", "bob-nitinol-processing")
   end
 
-  if data.raw.item["bob-copper-tungsten-pipe"] then
+  if mods["space-age"] and data.raw.item["bob-tungsten-pipe"] then
+    bobmods.lib.recipe.replace_ingredient("bob-distillery-5", "pipe", "bob-tungsten-pipe")
+    bobmods.lib.tech.add_prerequisite("bob-distillery-5", "metallurgic-science-pack")
+  elseif data.raw.item["bob-copper-tungsten-pipe"] then
     bobmods.lib.recipe.replace_ingredient("bob-distillery-5", "pipe", "bob-copper-tungsten-pipe")
     bobmods.lib.tech.add_prerequisite("bob-distillery-5", "bob-tungsten-alloy-processing")
   elseif data.raw.item["bob-tungsten-pipe"] then
diff --git a/bobassembly/prototypes/electric-furnace-updates.lua b/bobassembly/prototypes/electric-furnace-updates.lua
index 580aa7e41..bdda6922e 100644
--- a/bobassembly/prototypes/electric-furnace-updates.lua
+++ b/bobassembly/prototypes/electric-furnace-updates.lua
@@ -7,8 +7,11 @@ if settings.startup["bobmods-assembly-furnaces"].value == true and data.raw.furn
     bobmods.lib.tech.add_prerequisite("advanced-material-processing-3", "bob-invar-processing")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-electric-furnace-2", "stone-brick", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-furnace-2", "stone-brick", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("advanced-material-processing-3", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-furnace-2", "stone-brick", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("advanced-material-processing-3", "bob-tungsten-processing")
   end
 
@@ -17,8 +20,11 @@ if settings.startup["bobmods-assembly-furnaces"].value == true and data.raw.furn
     bobmods.lib.tech.add_prerequisite("advanced-material-processing-4", "bob-tungsten-alloy-processing")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-electric-furnace-3", "stone-brick", "bob-tungsten-carbide")
+  if mods["space-age"] and data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-furnace-3", "stone-brick", "tungsten-plate")
+    bobmods.lib.tech.add_prerequisite("advanced-material-processing-4", "metallurgic-science-pack")
+  elseif data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electric-furnace-3", "stone-brick", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("advanced-material-processing-4", "bob-tungsten-alloy-processing")
   end
 
diff --git a/bobassembly/prototypes/electrolyser-updates.lua b/bobassembly/prototypes/electrolyser-updates.lua
index 86aae6c09..45d031c90 100644
--- a/bobassembly/prototypes/electrolyser-updates.lua
+++ b/bobassembly/prototypes/electrolyser-updates.lua
@@ -58,8 +58,11 @@ then
     bobmods.lib.tech.add_prerequisite("bob-electrolyser-4", "bob-titanium-processing")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-electrolyser-4", "steel-plate", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electrolyser-4", "steel-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-electrolyser-4", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electrolyser-4", "steel-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-electrolyser-4", "bob-tungsten-processing")
   end
 
@@ -67,8 +70,11 @@ then
     bobmods.lib.recipe.replace_ingredient("bob-electrolyser-4", "pipe", "bob-ceramic-pipe")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-electrolyser-5", "plastic-bar", "bob-tungsten-carbide")
+  if mods["space-age"] and data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electrolyser-5", "plastic-bar", "tungsten-plate")
+    bobmods.lib.tech.add_prerequisite("bob-electrolyser-5", "metallurgic-science-pack")
+  elseif data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-electrolyser-5", "plastic-bar", "tungsten-carbide")
   end
 
   if data.raw.item["bob-nitinol-alloy"] then
diff --git a/bobassembly/prototypes/oil-refinery-updates.lua b/bobassembly/prototypes/oil-refinery-updates.lua
index 4dbe59693..bf7e72775 100644
--- a/bobassembly/prototypes/oil-refinery-updates.lua
+++ b/bobassembly/prototypes/oil-refinery-updates.lua
@@ -77,8 +77,8 @@ if settings.startup["bobmods-assembly-oilrefineries"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-oil-refinery-4", "stone-brick", "bob-copper-tungsten-alloy")
     bobmods.lib.tech.add_prerequisite("oil-processing-4", "bob-tungsten-alloy-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-oil-refinery-4", "stone-brick", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-oil-refinery-4", "stone-brick", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("oil-processing-4", "bob-tungsten-processing")
     end
   end
diff --git a/bobequipment/prototypes/armor-updates.lua b/bobequipment/prototypes/armor-updates.lua
index 31c995eff..692c3a44b 100644
--- a/bobequipment/prototypes/armor-updates.lua
+++ b/bobequipment/prototypes/armor-updates.lua
@@ -46,8 +46,8 @@ if not mods["bobwarfare"] then
     bobmods.lib.recipe.replace_ingredient("bob-power-armor-mk4", "plastic-bar", "bob-silicon-nitride")
     bobmods.lib.tech.add_prerequisite("bob-power-armor-4", "bob-ceramics")
   end
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-power-armor-mk5", "steel-plate", "bob-tungsten-carbide")
+  if data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-power-armor-mk5", "steel-plate", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("bob-power-armor-5", "bob-tungsten-alloy-processing")
   end
 
diff --git a/bobequipment/prototypes/recipe/updates.lua b/bobequipment/prototypes/recipe/updates.lua
index f2027d829..00077b260 100644
--- a/bobequipment/prototypes/recipe/updates.lua
+++ b/bobequipment/prototypes/recipe/updates.lua
@@ -565,20 +565,28 @@ if data.raw.fluid["bob-heavy-water"] then
   bobmods.lib.tech.add_prerequisite("fission-reactor-equipment", "bob-heavy-water-processing")
 end
 
-if data.raw.item["bob-tungsten-plate"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
   bobmods.lib.recipe.remove_ingredient("bob-fission-reactor-equipment-2", "low-density-structure")
   bobmods.lib.tech.remove_prerequisite("bob-fission-reactor-equipment-2", "low-density-structure")
   bobmods.lib.recipe.add_ingredient(
     "bob-fission-reactor-equipment-2",
-    { type = "item", name = "bob-tungsten-plate", amount = 250 }
+    { type = "item", name = "bob-stainless-steel-alloy", amount = 250 }
+  )
+  bobmods.lib.tech.add_prerequisite("bob-fission-reactor-equipment-2", "bob-tungsten-processing")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.remove_ingredient("bob-fission-reactor-equipment-2", "low-density-structure")
+  bobmods.lib.tech.remove_prerequisite("bob-fission-reactor-equipment-2", "low-density-structure")
+  bobmods.lib.recipe.add_ingredient(
+    "bob-fission-reactor-equipment-2",
+    { type = "item", name = "tungsten-plate", amount = 250 }
   )
   bobmods.lib.tech.add_prerequisite("bob-fission-reactor-equipment-2", "bob-tungsten-processing")
 end
 
-if data.raw.item["bob-tungsten-carbide"] then
+if data.raw.item["tungsten-carbide"] then
   bobmods.lib.recipe.add_ingredient(
     "bob-fission-reactor-equipment-3",
-    { type = "item", name = "bob-tungsten-carbide", amount = 80 }
+    { type = "item", name = "tungsten-carbide", amount = 80 }
   )
   bobmods.lib.tech.add_prerequisite("bob-fission-reactor-equipment-3", "bob-tungsten-alloy-processing")
 end
diff --git a/boblogistics/locale/en/boblogistics.cfg b/boblogistics/locale/en/boblogistics.cfg
index 1faa7fbc6..e30ad2169 100644
--- a/boblogistics/locale/en/boblogistics.cfg
+++ b/boblogistics/locale/en/boblogistics.cfg
@@ -131,6 +131,7 @@ bob-brass-pipe=Brass pipe
 bob-titanium-pipe=Titanium pipe
 bob-ceramic-pipe=Ceramic pipe
 bob-tungsten-pipe=Tungsten pipe
+bob-stainless-steel-pipe=Stainless steel pipe
 
 
 bob-copper-pipe-to-ground=Copper pipe-to-ground
@@ -143,6 +144,7 @@ bob-brass-pipe-to-ground=Brass pipe-to-ground
 bob-titanium-pipe-to-ground=Titanium pipe-to-ground
 bob-ceramic-pipe-to-ground=Ceramic pipe-to-ground
 bob-tungsten-pipe-to-ground=Tungsten pipe-to-ground
+bob-stainless-steel-pipe-to-ground=Stainless steel pipe-to-ground
 
 
 bob-pump-2=Pump 2
@@ -283,6 +285,7 @@ bob-ceramic-pipe=Ceramic pipe
 bob-tungsten-pipe=Tungsten pipe
 bob-nitinol-pipe=Nitinol pipe
 bob-copper-tungsten-pipe=Copper tungsten pipe
+bob-stainless-steel-pipe=Stainless steel pipe
 
 
 bob-copper-pipe-to-ground=Copper pipe-to-ground
@@ -297,6 +300,7 @@ bob-ceramic-pipe-to-ground=Ceramic pipe-to-ground
 bob-tungsten-pipe-to-ground=Tungsten pipe-to-ground
 bob-nitinol-pipe-to-ground=Nitinol pipe-to-ground
 bob-copper-tungsten-pipe-to-ground=Copper tungsten pipe-to-ground
+bob-stainless-steel-pipe-to-ground=Stainless steel pipe-to-ground
 
 
 bob-pump-2=Pump 2
diff --git a/boblogistics/prototypes/entity/pipes.lua b/boblogistics/prototypes/entity/pipes.lua
index 9c500bf84..7c983344b 100644
--- a/boblogistics/prototypes/entity/pipes.lua
+++ b/boblogistics/prototypes/entity/pipes.lua
@@ -1588,6 +1588,100 @@ if mods["bobplates"] then
       data.raw["pipe-to-ground"]["bob-nitinol-pipe-to-ground"].fluid_box.pipe_covers_frozen = frozenpatch2()
     end
   end
+
+  if mods["space-age"] then
+    data.raw["pipe-to-ground"]["bob-tungsten-pipe-to-ground"].heating_energy = "300kW"
+    data:extend({
+      {
+        type = "pipe",
+        name = "bob-stainless-steel-pipe",
+        icon = "__boblogistics__/graphics/icons/pipe/tungsten-pipe.png",
+        icon_size = 64,
+        flags = { "placeable-neutral", "player-creation" },
+        minable = { mining_time = 0.4, result = "bob-stainless-steel-pipe" },
+        max_health = 250,
+        corpse = "small-remnants",
+        icon_draw_specification = { scale = 0.5 },
+        resistances = {
+          {
+            type = "fire",
+            percent = 90,
+          },
+        },
+        fast_replaceable_group = "pipe",
+        collision_box = { { -0.29, -0.29 }, { 0.29, 0.29 } },
+        selection_box = { { -0.5, -0.5 }, { 0.5, 0.5 } },
+        fluid_box = {
+          volume = 100,
+          pipe_connections = {
+            { position = { 0, 0 }, direction = defines.direction.north },
+            { position = { 0, 0 }, direction = defines.direction.east },
+            { position = { 0, 0 }, direction = defines.direction.south },
+            { position = { 0, 0 }, direction = defines.direction.west },
+          },
+          pipe_covers_frozen = util.table.deepcopy(data.raw.pipe.pipe.fluid_box.pipe_covers_frozen),
+          hide_connection_info = true,
+        },
+        heating_energy = "1kW",
+        pictures = bob_pipepictures("tungsten"),
+        impact_category = "metal",
+        working_sound = {
+          sound = {
+            {
+              filename = "__base__/sound/pipe.ogg",
+              volume = 0.65,
+            },
+          },
+          match_volume_to_activity = true,
+          max_sounds_per_prototype = 3,
+        },
+        horizontal_window_bounding_box = { { -0.25, -0.25 }, { 0.25, 0.15625 } },
+        vertical_window_bounding_box = { { -0.28125, -0.5 }, { 0.03125, 0.125 } },
+      },
+
+      {
+        type = "pipe-to-ground",
+        name = "bob-stainless-steel-pipe-to-ground",
+        icon = "__boblogistics__/graphics/icons/pipe/tungsten-pipe-to-ground.png",
+        icon_size = 64,
+        flags = { "placeable-neutral", "player-creation" },
+        minable = { mining_time = 0.4, result = "bob-stainless-steel-pipe-to-ground" },
+        max_health = 300,
+        corpse = "small-remnants",
+        icon_draw_specification = { scale = 0.5 },
+        resistances = {
+          {
+            type = "fire",
+            percent = 80,
+          },
+        },
+        fast_replaceable_group = "pipe",
+        collision_box = { { -0.29, -0.29 }, { 0.29, 0.2 } },
+        selection_box = { { -0.5, -0.5 }, { 0.5, 0.5 } },
+        fluid_box = {
+          volume = 100,
+          pipe_covers = bob_pipecoverspictures("tungsten"),
+          pipe_connections = {
+            { position = { 0, 0 }, direction = defines.direction.north },
+            {
+              position = { 0, 0 },
+              direction = defines.direction.south,
+              connection_type = "underground",
+              max_underground_distance = 25,
+            },
+          },
+          pipe_covers_frozen = util.table.deepcopy(data.raw.pipe.pipe.fluid_box.pipe_covers_frozen),
+          hide_connection_info = true,
+        },
+        heating_energy = "250kW",
+        pictures = bob_pipetogroundpictures("tungsten"),
+        frozen_patch = util.table.deepcopy(data.raw["pipe-to-ground"]["pipe-to-ground"].frozen_patch),
+        visualization = bob_pipetoground_visualization(),
+        disabled_visualization = bob_pipetoground_disabled_visualizaton(),
+        impact_category = "metal",
+      },
+    })
+  end
 end
 
 if settings.startup["bobmods-logistics-ugdistanceoverhaul"].value == true then
@@ -1603,4 +1697,10 @@ if settings.startup["bobmods-logistics-ugdistanceoverhaul"].value == true then
   bobmods.logistics.set_pipe_distance("bob-tungsten-pipe-to-ground", 4)
   bobmods.logistics.set_pipe_distance("bob-nitinol-pipe-to-ground", 5)
   bobmods.logistics.set_pipe_distance("bob-copper-tungsten-pipe-to-ground", 5)
+  if mods["space-age"] then
+    bobmods.logistics.set_pipe_distance("bob-stainless-steel-pipe-to-ground", 4)
+    bobmods.logistics.set_pipe_distance("bob-tungsten-pipe-to-ground", 5)
+  else
+    bobmods.logistics.set_pipe_distance("bob-tungsten-pipe-to-ground", 4)
+  end
 end
diff --git a/boblogistics/prototypes/item/pipes.lua b/boblogistics/prototypes/item/pipes.lua
index d4180f1bf..ded85d00e 100644
--- a/boblogistics/prototypes/item/pipes.lua
+++ b/boblogistics/prototypes/item/pipes.lua
@@ -325,7 +325,7 @@ if data.raw.item["bob-titanium-plate"] then
   })
 end
 
-if data.raw.item["bob-tungsten-plate"] then
+if data.raw.item["tungsten-plate"] then
   data:extend({
     {
       type = "item",
@@ -426,3 +426,61 @@ if data.raw.item["bob-copper-tungsten-alloy"] then
     },
   })
 end
+
+if mods["space-age"] then
+  if data.raw.item["tungsten-plate"] then
+    data.raw.item["bob-tungsten-pipe"].order = "a[pipe]-a[pipe]-5-1a"
+    data.raw.item["bob-tungsten-pipe-to-ground"].order = "a[pipe]-b[pipe-to-ground]-5-1a"
+  end
+  if data.raw.item["bob-stainless-steel-alloy"] then
+    data:extend({
+      {
+        type = "item",
+        name = "bob-stainless-steel-pipe",
+        icon = "__boblogistics__/graphics/icons/pipe/ceramic-pipe.png",
+        icon_size = 64,
+        subgroup = "bob-pipe",
+        order = "a[pipe]-a[pipe]-4-0",
+        place_result = "bob-stainless-steel-pipe",
+        stack_size = 100,
+        drop_sound = {
+          filename = "__base__/sound/item/brick-inventory-move.ogg",
+          volume = 0.5,
+        },
+        inventory_move_sound = {
+          filename = "__base__/sound/item/brick-inventory-move.ogg",
+          volume = 0.5,
+        },
+        pick_sound = {
+          filename = "__base__/sound/item/brick-inventory-pickup.ogg",
+          volume = 0.6,
+        },
+        weight = 5000,
+      },
+
+      {
+        type = "item",
+        name = "bob-stainless-steel-pipe-to-ground",
+        icon = "__boblogistics__/graphics/icons/pipe/ceramic-pipe-to-ground.png",
+        icon_size = 64,
+        subgroup = "bob-pipe-to-ground",
+        order = "a[pipe]-b[pipe-to-ground]-4-0",
+        place_result = "bob-stainless-steel-pipe-to-ground",
+        stack_size = 50,
+        drop_sound = {
+          filename = "__base__/sound/item/brick-inventory-move.ogg",
+          volume = 0.5,
+        },
+        inventory_move_sound = {
+          filename = "__base__/sound/item/brick-inventory-move.ogg",
+          volume = 0.5,
+        },
+        pick_sound = {
+          filename = "__base__/sound/item/brick-inventory-pickup.ogg",
+          volume = 0.6,
+        },
+        weight = 20000,
+      },
+    })
+  end
+end
diff --git a/boblogistics/prototypes/recipe/pipes-recipe.lua b/boblogistics/prototypes/recipe/pipes-recipe.lua
index 02bb566b7..e16aac486 100644
--- a/boblogistics/prototypes/recipe/pipes-recipe.lua
+++ b/boblogistics/prototypes/recipe/pipes-recipe.lua
@@ -184,14 +184,14 @@ if data.raw.item["bob-titanium-plate"] then
   })
 end
 
-if data.raw.item["bob-tungsten-plate"] then
+if data.raw.item["tungsten-plate"] then
   data:extend({
     {
       type = "recipe",
       name = "bob-tungsten-pipe",
       enabled = false,
       ingredients = {
-        { type = "item", name = "bob-tungsten-plate", amount = 1 },
+        { type = "item", name = "tungsten-plate", amount = 1 },
       },
       results = { { type = "item", name = "bob-tungsten-pipe", amount = 1 } },
     },
@@ -202,11 +202,17 @@ if data.raw.item["bob-tungsten-plate"] then
       enabled = false,
       ingredients = {
         { type = "item", name = "bob-tungsten-pipe", amount = 16 },
-        { type = "item", name = "bob-tungsten-plate", amount = 5 },
+        { type = "item", name = "tungsten-plate", amount = 5 },
       },
       results = { { type = "item", name = "bob-tungsten-pipe-to-ground", amount = 2 } },
     },
   })
+  if mods["space-age"] then
+    data.raw.recipe["bob-tungsten-pipe-to-ground"].ingredients = {
+      { type = "item", name = "bob-tungsten-pipe", amount = 18 },
+      { type = "item", name = "tungsten-plate", amount = 5 },
+    }
+  end
 end
 
 if data.raw.item["bob-nitinol-alloy"] then
@@ -258,3 +264,28 @@ if data.raw.item["bob-copper-tungsten-alloy"] then
     },
   })
 end
+
+if data.raw.item["bob-stainless-steel-alloy"] then
+  data:extend({
+    {
+      type = "recipe",
+      name = "bob-stainless-steel-pipe",
+      enabled = false,
+      ingredients = {
+        { type = "item", name = "bob-stainless-steel-alloy", amount = 1 },
+      },
+      results = { { type = "item", name = "bob-stainless-steel-pipe", amount = 1 } },
+    },
+
+    {
+      type = "recipe",
+      name = "bob-stainless-steel-pipe-to-ground",
+      enabled = false,
+      ingredients = {
+        { type = "item", name = "bob-stainless-steel-pipe", amount = 16 },
+        { type = "item", name = "bob-stainless-steel-alloy", amount = 5 },
+      },
+      results = { { type = "item", name = "bob-stainless-steel-pipe-to-ground", amount = 2 } },
+    },
+  })
+end
diff --git a/boblogistics/prototypes/recipe/robots-recipe-updates.lua b/boblogistics/prototypes/recipe/robots-recipe-updates.lua
index 8754aae21..4ea1b890e 100644
--- a/boblogistics/prototypes/recipe/robots-recipe-updates.lua
+++ b/boblogistics/prototypes/recipe/robots-recipe-updates.lua
@@ -269,10 +269,10 @@ if data.raw.recipe["bob-robot-tool-construction"] then
       { type = "item", name = "bob-nitinol-bearing", amount = 1 }
     )
   end
-  if data.raw.item["bob-tungsten-carbide"] then
+  if data.raw.item["tungsten-carbide"] then
     bobmods.lib.recipe.add_ingredient(
       "bob-robot-tool-logistic-4",
-      { type = "item", name = "bob-tungsten-carbide", amount = 1 }
+      { type = "item", name = "tungsten-carbide", amount = 1 }
     )
     bobmods.lib.tech.add_prerequisite("bob-robots-3", "bob-tungsten-alloy-processing")
   end
diff --git a/boblogistics/prototypes/recipe/train-recipe-updates.lua b/boblogistics/prototypes/recipe/train-recipe-updates.lua
index 581ef6afc..a2d205f75 100644
--- a/boblogistics/prototypes/recipe/train-recipe-updates.lua
+++ b/boblogistics/prototypes/recipe/train-recipe-updates.lua
@@ -37,7 +37,26 @@ if settings.startup["bobmods-logistics-trains"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-armoured-fluid-wagon", "bob-titanium-processing")
   end
 
-  if data.raw.item["bob-titanium-bearing"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-bearing"] then
+    bobmods.lib.recipe.add_ingredient("bob-locomotive-3", { type = "item", name = "bob-stainless-steel-bearing", amount = 16 })
+    bobmods.lib.recipe.add_ingredient("bob-cargo-wagon-3", { type = "item", name = "bob-stainless-steel-bearing", amount = 8 })
+    bobmods.lib.recipe.add_ingredient("bob-fluid-wagon-3", { type = "item", name = "bob-stainless-steel-bearing", amount = 8 })
+
+    bobmods.lib.recipe.add_ingredient(
+      "bob-armoured-locomotive-2",
+      { type = "item", name = "bob-stainless-steel-bearing", amount = 16 }
+    )
+    bobmods.lib.recipe.add_ingredient(
+      "bob-armoured-cargo-wagon-2",
+      { type = "item", name = "bob-stainless-steel-bearing", amount = 8 }
+    )
+    bobmods.lib.recipe.add_ingredient(
+      "bob-armoured-fluid-wagon-2",
+      { type = "item", name = "bob-stainless-steel-bearing", amount = 8 }
+    )
+    bobmods.lib.tech.add_prerequisite("bob-railway-3", "bob-tungsten-processing")
+    bobmods.lib.tech.add_prerequisite("bob-fluid-wagon-3", "bob-tungsten-processing")
+  elseif data.raw.item["bob-titanium-bearing"] then
     bobmods.lib.recipe.add_ingredient("bob-locomotive-3", { type = "item", name = "bob-titanium-bearing", amount = 16 })
     bobmods.lib.recipe.add_ingredient("bob-cargo-wagon-3", { type = "item", name = "bob-titanium-bearing", amount = 8 })
     bobmods.lib.recipe.add_ingredient("bob-fluid-wagon-3", { type = "item", name = "bob-titanium-bearing", amount = 8 })
@@ -73,7 +92,15 @@ if settings.startup["bobmods-logistics-trains"].value == true then
     )
   end
 
-  if data.raw.item["bob-titanium-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-locomotive-3", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.recipe.replace_ingredient("bob-cargo-wagon-3", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.recipe.replace_ingredient("bob-fluid-wagon-3", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+
+    bobmods.lib.recipe.replace_ingredient("bob-armoured-locomotive-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.recipe.replace_ingredient("bob-armoured-cargo-wagon-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.recipe.replace_ingredient("bob-armoured-fluid-wagon-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+  elseif data.raw.item["bob-titanium-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-locomotive-3", "iron-gear-wheel", "bob-titanium-gear-wheel")
     bobmods.lib.recipe.replace_ingredient("bob-cargo-wagon-3", "iron-gear-wheel", "bob-titanium-gear-wheel")
     bobmods.lib.recipe.replace_ingredient("bob-fluid-wagon-3", "iron-gear-wheel", "bob-titanium-gear-wheel")
@@ -83,14 +110,14 @@ if settings.startup["bobmods-logistics-trains"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-armoured-fluid-wagon-2", "iron-gear-wheel", "bob-titanium-gear-wheel")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
+  if data.raw.item["tungsten-carbide"] then
     bobmods.lib.tech.add_prerequisite("bob-armoured-railway-2", "bob-tungsten-alloy-processing")
     bobmods.lib.tech.add_prerequisite("bob-armoured-fluid-wagon-2", "bob-tungsten-alloy-processing")
     if data.raw.item["bob-silicon-nitride"] then
       bobmods.lib.recipe.remove_ingredient("bob-armoured-locomotive-2", "steel-plate")
       bobmods.lib.recipe.add_ingredient(
         "bob-armoured-locomotive-2",
-        { type = "item", name = "bob-tungsten-carbide", amount = 15 }
+        { type = "item", name = "tungsten-carbide", amount = 15 }
       )
       bobmods.lib.recipe.add_ingredient(
         "bob-armoured-locomotive-2",
@@ -100,7 +127,7 @@ if settings.startup["bobmods-logistics-trains"].value == true then
       bobmods.lib.recipe.remove_ingredient("bob-armoured-cargo-wagon-2", "steel-plate")
       bobmods.lib.recipe.add_ingredient(
         "bob-armoured-cargo-wagon-2",
-        { type = "item", name = "bob-tungsten-carbide", amount = 15 }
+        { type = "item", name = "tungsten-carbide", amount = 15 }
       )
       bobmods.lib.recipe.add_ingredient(
         "bob-armoured-cargo-wagon-2",
@@ -110,7 +137,7 @@ if settings.startup["bobmods-logistics-trains"].value == true then
       bobmods.lib.recipe.remove_ingredient("bob-armoured-fluid-wagon-2", "steel-plate")
       bobmods.lib.recipe.add_ingredient(
         "bob-armoured-fluid-wagon-2",
-        { type = "item", name = "bob-tungsten-carbide", amount = 15 }
+        { type = "item", name = "tungsten-carbide", amount = 15 }
       )
       bobmods.lib.recipe.add_ingredient(
         "bob-armoured-fluid-wagon-2",
@@ -120,9 +147,9 @@ if settings.startup["bobmods-logistics-trains"].value == true then
       bobmods.lib.tech.add_prerequisite("bob-armoured-railway-2", "bob-ceramics")
       bobmods.lib.tech.add_prerequisite("bob-armoured-fluid-wagon-2", "bob-ceramics")
     else
-      bobmods.lib.recipe.replace_ingredient("bob-armoured-locomotive-2", "steel-plate", "bob-tungsten-carbide")
-      bobmods.lib.recipe.replace_ingredient("bob-armoured-cargo-wagon-2", "steel-plate", "bob-tungsten-carbide")
-      bobmods.lib.recipe.replace_ingredient("bob-armoured-fluid-wagon-2", "steel-plate", "bob-tungsten-carbide")
+      bobmods.lib.recipe.replace_ingredient("bob-armoured-locomotive-2", "steel-plate", "tungsten-carbide")
+      bobmods.lib.recipe.replace_ingredient("bob-armoured-cargo-wagon-2", "steel-plate", "tungsten-carbide")
+      bobmods.lib.recipe.replace_ingredient("bob-armoured-fluid-wagon-2", "steel-plate", "tungsten-carbide")
     end
   else
     if data.raw.item["bob-silicon-nitride"] then
diff --git a/boblogistics/prototypes/repair-pack-updates.lua b/boblogistics/prototypes/repair-pack-updates.lua
index ea996bcac..06cee50f8 100644
--- a/boblogistics/prototypes/repair-pack-updates.lua
+++ b/boblogistics/prototypes/repair-pack-updates.lua
@@ -19,7 +19,10 @@ if data.raw.item["bob-titanium-gear-wheel"] then
   bobmods.lib.recipe.replace_ingredient("bob-repair-pack-4", "iron-gear-wheel", "bob-titanium-gear-wheel")
 end
 
-if data.raw.item["bob-titanium-bearing"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-bearing"] then
+  bobmods.lib.recipe.add_ingredient("bob-repair-pack-4", { type = "item", name = "bob-stainless-steel-bearing", amount = 1 })
+  bobmods.lib.tech.add_prerequisite("bob-repair-pack-5", "bob-tungsten-processing")
+elseif data.raw.item["bob-titanium-bearing"] then
   bobmods.lib.recipe.add_ingredient("bob-repair-pack-4", { type = "item", name = "bob-titanium-bearing", amount = 1 })
 end
 
@@ -42,7 +45,7 @@ if data.raw.item["bob-advanced-processing-unit"] then
   bobmods.lib.tech.add_prerequisite("bob-repair-pack-5", "bob-advanced-processing-unit")
 end
 
-if data.raw.item["bob-tungsten-carbide"] then
-  bobmods.lib.recipe.replace_ingredient("bob-repair-pack-5", "steel-plate", "bob-tungsten-carbide")
+if data.raw.item["tungsten-carbide"] then
+  bobmods.lib.recipe.replace_ingredient("bob-repair-pack-5", "steel-plate", "tungsten-carbide")
   bobmods.lib.tech.add_prerequisite("bob-repair-pack-5", "bob-tungsten-alloy-processing")
 end
diff --git a/boblogistics/prototypes/technology-updates.lua b/boblogistics/prototypes/technology-updates.lua
index d761507cd..2f8332cff 100644
--- a/boblogistics/prototypes/technology-updates.lua
+++ b/boblogistics/prototypes/technology-updates.lua
@@ -342,8 +342,15 @@ if data.raw.technology["bob-titanium-processing"] then
 end
 
 if data.raw.technology["bob-tungsten-processing"] then
-  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-pipe")
-  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-pipe-to-ground")
+  if not mods["space-age"] then
+    bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-pipe")
+    bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-pipe-to-ground")
+  else
+    bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-stainless-steel-pipe")
+    bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-stainless-steel-pipe-to-ground")
+    bobmods.lib.tech.add_recipe_unlock("tungsten-steel", "bob-tungsten-pipe")
+    bobmods.lib.tech.add_recipe_unlock("tungsten-steel", "bob-tungsten-pipe-to-ground")
+  end
 end
 
 if data.raw.technology["bob-ceramics"] then
@@ -352,8 +359,13 @@ if data.raw.technology["bob-ceramics"] then
 end
 
 if data.raw.technology["bob-tungsten-alloy-processing"] then
-  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-copper-tungsten-pipe")
-  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-copper-tungsten-pipe-to-ground")
+  if not mods["space-age"] then
+    bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-copper-tungsten-pipe")
+    bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-copper-tungsten-pipe-to-ground")
+  else
+    bobmods.lib.tech.add_recipe_unlock("tungsten-steel", "bob-copper-tungsten-pipe")
+    bobmods.lib.tech.add_recipe_unlock("tungsten-steel", "bob-copper-tungsten-pipe-to-ground")
+  end
 end
 
 if data.raw.technology["bob-nitinol-processing"] then
diff --git a/bobmining/locale/en/bobmining.cfg b/bobmining/locale/en/bobmining.cfg
index c3334a359..43800417a 100644
--- a/bobmining/locale/en/bobmining.cfg
+++ b/bobmining/locale/en/bobmining.cfg
@@ -58,6 +58,7 @@ bob-water-miner=Water pumpjacks research
 bob-bronze-axe=Bronze axe
 bob-cobalt-steel-axe=Cobalt steel axe
 bob-tungsten-axe=Tungsten axe
+bob-stainless-steel-axe=Stainless steel axe
 bob-nitinol-axe=Nitinol axe
 bob-diamond-axe=Diamond axe
 
diff --git a/bobmining/prototypes/areadrill-updates.lua b/bobmining/prototypes/areadrill-updates.lua
index 705a7f3e4..7de5fdf37 100644
--- a/bobmining/prototypes/areadrill-updates.lua
+++ b/bobmining/prototypes/areadrill-updates.lua
@@ -27,17 +27,23 @@ if settings.startup["bobmods-mining-areadrills"].value == true then
     end
   end
 
-  if data.raw.item["bob-titanium-plate"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-3", "steel-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-area-drills-3", "bob-titanium-processing")
+  elseif data.raw.item["bob-titanium-plate"] then
     bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-3", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-area-drills-3", "bob-titanium-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-3", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-3", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-area-drills-3", "bob-tungsten-processing")
     end
   end
 
-  if data.raw.item["bob-tungsten-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-3", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-area-drills-3", "bob-tungsten-processing")
+  elseif data.raw.item["bob-tungsten-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-3", "iron-gear-wheel", "bob-tungsten-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-area-drills-3", "bob-tungsten-processing")
   end
@@ -47,8 +53,8 @@ if settings.startup["bobmods-mining-areadrills"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-area-drills-4", "bob-advanced-processing-unit")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-4", "steel-plate", "bob-tungsten-carbide")
+  if data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-4", "steel-plate", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("bob-area-drills-4", "bob-tungsten-alloy-processing")
   else
     if data.raw.item["bob-copper-tungsten-alloy"] then
@@ -57,7 +63,10 @@ if settings.startup["bobmods-mining-areadrills"].value == true then
     end
   end
 
-  if data.raw.item["bob-nitinol-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-tungsten-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-4", "iron-gear-wheel", "bob-tungsten-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-area-drills-4", "metallurgic-science-pack")
+  elseif data.raw.item["bob-nitinol-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-area-mining-drill-4", "iron-gear-wheel", "bob-nitinol-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-area-drills-4", "bob-nitinol-processing")
   else
diff --git a/bobmining/prototypes/axes.lua b/bobmining/prototypes/axes.lua
index ce516827a..c878989cb 100644
--- a/bobmining/prototypes/axes.lua
+++ b/bobmining/prototypes/axes.lua
@@ -53,7 +53,7 @@ if settings.startup["bobmods-mining-miningaxes"].value == true then
           },
         },
         prerequisites = { "bob-steel-axe-3", "bob-tungsten-processing" },
-        research_trigger = { type = "craft-item", item = "bob-tungsten-plate", count = 50 },
+        research_trigger = { type = "craft-item", item = "tungsten-plate", count = 50 },
         upgrade = true,
       },
       {
@@ -89,6 +89,12 @@ if settings.startup["bobmods-mining-miningaxes"].value == true then
         upgrade = true,
       },
     })
+
+    if mods["space-age"] then
+      data.raw.technology["bob-steel-axe-4"].localised_name = { "technology-name.bob-stainless-steel-axe" }
+      data.raw.technology["bob-steel-axe-4"].research_trigger = { type = "craft-item", item = "bob-stainless-steel-alloy", count = 50 }
+    end
+
   else
     data:extend({
       {
diff --git a/bobmining/prototypes/drill-updates.lua b/bobmining/prototypes/drill-updates.lua
index 4cc56e31e..e9353af5c 100644
--- a/bobmining/prototypes/drill-updates.lua
+++ b/bobmining/prototypes/drill-updates.lua
@@ -30,17 +30,23 @@ if settings.startup["bobmods-mining-miningdrills"].value == true then
     end
   end
 
-  if data.raw.item["bob-titanium-plate"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-mining-drill-3", "steel-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-drills-4", "bob-titanium-processing")
+  elseif data.raw.item["bob-titanium-plate"] then
     bobmods.lib.recipe.replace_ingredient("bob-mining-drill-3", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-drills-4", "bob-titanium-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-mining-drill-3", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-mining-drill-3", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-drills-4", "bob-tungsten-processing")
     end
   end
 
-  if data.raw.item["bob-tungsten-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-mining-drill-3", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-drills-4", "bob-tungsten-processing")
+  elseif data.raw.item["bob-tungsten-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-mining-drill-3", "iron-gear-wheel", "bob-tungsten-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-drills-4", "bob-tungsten-processing")
   end
@@ -50,8 +56,8 @@ if settings.startup["bobmods-mining-miningdrills"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-drills-5", "bob-advanced-processing-unit")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-mining-drill-4", "steel-plate", "bob-tungsten-carbide")
+  if data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-mining-drill-4", "steel-plate", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("bob-drills-5", "bob-tungsten-alloy-processing")
   else
     if data.raw.item["bob-copper-tungsten-alloy"] then
@@ -60,7 +66,10 @@ if settings.startup["bobmods-mining-miningdrills"].value == true then
     end
   end
 
-  if data.raw.item["bob-nitinol-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-tungsten-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-mining-drill-4", "iron-gear-wheel", "bob-tungsten-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-drills-5", "metallurgic-science-pack")
+  elseif data.raw.item["bob-nitinol-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-mining-drill-4", "iron-gear-wheel", "bob-nitinol-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-drills-5", "bob-nitinol-processing")
   else
diff --git a/bobmining/prototypes/pumpjack-updates.lua b/bobmining/prototypes/pumpjack-updates.lua
index 1007637d4..beff3b881 100644
--- a/bobmining/prototypes/pumpjack-updates.lua
+++ b/bobmining/prototypes/pumpjack-updates.lua
@@ -40,8 +40,8 @@ if settings.startup["bobmods-mining-pumpjacks"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-pumpjack-2", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-pumpjacks-3", "bob-titanium-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-pumpjack-2", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-pumpjack-2", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-pumpjacks-3", "bob-tungsten-processing")
     end
   end
diff --git a/bobmining/prototypes/water-miner-updates.lua b/bobmining/prototypes/water-miner-updates.lua
index ed7e1a8fe..90126e958 100644
--- a/bobmining/prototypes/water-miner-updates.lua
+++ b/bobmining/prototypes/water-miner-updates.lua
@@ -53,8 +53,8 @@ if settings.startup["bobmods-mining-waterminers"].value == true and data.raw["re
     bobmods.lib.recipe.replace_ingredient("bob-water-miner-4", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-water-miner-4", "bob-titanium-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-water-miner-4", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-water-miner-4", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-water-miner-4", "bob-tungsten-processing")
     end
   end
diff --git a/bobores/data-updates.lua b/bobores/data-updates.lua
index 9fadf7b7f..944d67028 100644
--- a/bobores/data-updates.lua
+++ b/bobores/data-updates.lua
@@ -139,3 +139,33 @@ data.raw.item["stone"].subgroup = "bob-ores"
 data.raw.item["iron-ore"].subgroup = "bob-ores"
 data.raw.item["copper-ore"].subgroup = "bob-ores"
 data.raw.item["uranium-ore"].subgroup = "bob-ores"
+
+if bobmods.ores.tungsten.enabled then
+  if mods["space-age"] then
+    data.raw.item["bob-tungsten-ore"].localised_name = { "item-name.bob-chromium-ore" }
+    data.raw.resource["bob-tungsten-ore"].localised_name = { "item-name.bob-chromium-ore" }
+    data.raw.item["bob-tungsten-ore"].icon = "__space-age__/graphics/icons/tungsten-ore.png"
+    data.raw.item["bob-tungsten-ore"].icon_size = 64
+    data.raw.item["tungsten-ore"].icon = "__bobores__/graphics/icons/tungsten-ore.png"
+    data.raw.item["tungsten-ore"].icon_size = 32
+    data.raw.resource["bob-tungsten-ore"].icon = "__space-age__/graphics/icons/tungsten-ore.png"
+    data.raw.resource["bob-tungsten-ore"].icon_size = 64
+    data.raw.resource["tungsten-ore"].icon = "__bobores__/graphics/icons/tungsten-ore.png"
+    data.raw.resource["tungsten-ore"].icon_size = 32
+
+    local tungsten_ore_sheet = util.table.deepcopy(data.raw.resource["bob-tungsten-ore"].stages)
+    local chromium_ore_sheet = util.table.deepcopy(data.raw.resource["tungsten-ore"].stages)
+    local tungsten_item_sheet = util.table.deepcopy(data.raw.item["bob-tungsten-ore"].pictures)
+    local chromium_item_sheet = util.table.deepcopy(data.raw.item["tungsten-ore"].pictures)
+
+    data.raw.resource["bob-tungsten-ore"].stages = chromium_ore_sheet
+    data.raw.resource["tungsten-ore"].stages = tungsten_ore_sheet
+    data.raw.resource["bob-tungsten-ore"].map_color = { r = 0.3828125, g = 0.3359375, b = 0.5859375, a = 1, }
+    data.raw.resource["tungsten-ore"].map_color = { r = 0.75, g = 0, b = 0, a = 1, }
+    data.raw.item["bob-tungsten-ore"].pictures = chromium_item_sheet
+    data.raw.item["tungsten-ore"].pictures = tungsten_item_sheet
+
+    data.raw["autoplace-control"]["bob-tungsten-ore"].localised_name = { "", "[entity=bob-tungsten-ore] ", { "entity-name.bob-chromium-ore" } }
+    data.raw["autoplace-control"]["bob-tungsten-ore"].order = "b-d-bob-chromite-ore"
+  end
+end
diff --git a/bobores/locale/en/bobores.cfg b/bobores/locale/en/bobores.cfg
index f08960cd1..07df0c453 100644
--- a/bobores/locale/en/bobores.cfg
+++ b/bobores/locale/en/bobores.cfg
@@ -14,6 +14,7 @@ bob-gem-ore=Gemstones
 bob-lithia-water=Lithia water
 bob-ground-water=Ground water
 bob-thorium-ore=Thorium ore
+bob-chromium-ore=Chromite
 
 [item-name]
 bob-gold-ore=__ENTITY__bob-gold-ore__
diff --git a/bobplates/data-final-fixes.lua b/bobplates/data-final-fixes.lua
index 656ebff5c..3312fd6f2 100644
--- a/bobplates/data-final-fixes.lua
+++ b/bobplates/data-final-fixes.lua
@@ -17,5 +17,7 @@ if mods["aai-industry"] then
 end
 
 if mods["space-age"] then
+  bobmods.lib.tech.global_replace_prerequisite("bob-tungsten-alloy-processing", "metallurgic-science-pack")
+  bobmods.lib.tech.hide("bob-tungsten-alloy-processing")
   bobmods.lib.tech.global_replace_prerequisite("bob-lithium-processing", "cryogenic-science-pack")
 end
diff --git a/bobplates/data-updates.lua b/bobplates/data-updates.lua
index 8c70a79c5..85e41b6f9 100644
--- a/bobplates/data-updates.lua
+++ b/bobplates/data-updates.lua
@@ -472,6 +472,21 @@ if mods["quality"] then
 end
 
 if mods["space-age"] then
+  data.raw.recipe["bob-battery-2"].category = "chemistry-or-cryogenics"
+  data.raw.recipe["bob-battery-3"].category = "chemistry-or-cryogenics"
+
+  if data.raw.item["bob-sodium-carbonate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-chromium-plate", "stone", "bob-sodium-carbonate")
+    bobmods.lib.tech.add_prerequisite("bob-tungsten-processing", "bob-rtg")
+  elseif data.raw.item["bob-limestone"] then
+    bobmods.lib.recipe.replace_ingredient("bob-chromium-plate", "stone", "bob-limestone")
+  end
+
+  data.raw["autoplace-control"].calcite.order = "b-e-vulcanus-calcite"
+  data.raw["autoplace-control"].vulcanus_coal.order = "b-e-vulcanus-coal"
+  data.raw["autoplace-control"].sulfuric_acid_geyser.order = "b-e-vulcanus-sulfuric-acid"
+  data.raw["autoplace-control"].tungsten_ore.order = "b-e-vulcanus-tungsten-ore"
+
   data.raw.fluid["bob-lithia-water"].hidden = true
   data.raw.resource["bob-lithia-water"].hidden = true
   data.raw.item["bob-lithia-water-barrel"].hidden = true
diff --git a/bobplates/locale/en/bobplates.cfg b/bobplates/locale/en/bobplates.cfg
index 59b9a77db..98b3c2be3 100644
--- a/bobplates/locale/en/bobplates.cfg
+++ b/bobplates/locale/en/bobplates.cfg
@@ -11,6 +11,7 @@ bob-nickel-ore=Nickel ore
 bob-cobalt-ore=Cobaltite
 bob-quartz=Quartz (Silicon ore)
 bob-gem-ore=Unsorted gemstone ore
+bob-chromium-ore=Chromite ore
 
 bob-gold-plate=Gold plate
 bob-lead-plate=Lead plate
@@ -24,6 +25,7 @@ bob-titanium-plate=Titanium plate
 bob-silicon-plate=Silicon plate
 bob-cobalt-plate=Cobalt plate
 bob-lithium=Lithium
+bob-chromium-plate=Chromium plate
 
 bob-bronze-alloy=Bronze plate
 bob-brass-alloy=Brass plate
@@ -33,6 +35,7 @@ bob-gunmetal-alloy=Gunmetal plate
 bob-invar-alloy=Invar plate
 bob-nitinol-alloy=Nitinol plate
 bob-cobalt-steel-alloy=Cobalt steel plate
+bob-stainless-steel-alloy=Stainless steel plate
 
 bob-alumina=Alumina
 bob-calcium-chloride=Calcium chloride
@@ -71,6 +74,7 @@ bob-advanced-processing-unit=Advanced processing unit
 bob-steel-gear-wheel=Steel gear wheel
 bob-brass-gear-wheel=Brass gear wheel
 bob-cobalt-steel-gear-wheel=Cobalt steel gear wheel
+bob-stainless-steel-gear-wheel=Stainless steel gear wheel
 bob-titanium-gear-wheel=Titanium gear wheel
 bob-tungsten-gear-wheel=Tungsten gear wheel
 bob-nitinol-gear-wheel=Nitinol gear wheel
@@ -78,6 +82,7 @@ bob-nitinol-gear-wheel=Nitinol gear wheel
 bob-steel-bearing-ball=Steel bearing ball
 bob-brass-bearing-ball=Brass bearing ball
 bob-cobalt-steel-bearing-ball=Cobalt steel bearing ball
+bob-stainless-steel-bearing-ball=Stainless steel bearing ball
 bob-titanium-bearing-ball=Titanium bearing ball
 bob-nitinol-bearing-ball=Nitinol bearing ball
 bob-ceramic-bearing-ball=Ceramic bearing ball
@@ -85,6 +90,7 @@ bob-ceramic-bearing-ball=Ceramic bearing ball
 bob-steel-bearing=Steel bearing
 bob-brass-bearing=Brass bearing
 bob-cobalt-steel-bearing=Cobalt steel bearing
+bob-stainless-steel-bearing=Stainless steel bearing
 bob-titanium-bearing=Titanium bearing
 bob-nitinol-bearing=Nitinol bearing
 bob-ceramic-bearing=Ceramic bearing
@@ -283,6 +289,7 @@ bob-tungsten-processing=Tungsten processing
 bob-zinc-processing=Zinc processing
 bob-lithium-processing=Lithium processing
 bob-cobalt-processing=Cobalt processing
+bob-chromium-processing=Chromium processing
 
 bob-brass-processing=Brass processing
 bob-nitinol-processing=Nitinol processing
@@ -348,6 +355,7 @@ bob-lead-processing=Research how to refine lead.
 bob-silicon-processing=Research how to purify silicon for use in electronics.
 bob-titanium-processing=Titanium is a very strong light weight metal, but hard to separate from its ore.
 bob-tungsten-processing=Tungsten has a very high melting point, let's research how to refine it another way.
+bob-chromium-processing=Chromium is responsible for the vibrant colours of many gemstones, and is a key additive in stainless steel and super alloys.
 
 bob-nitinol-processing=Nitinol is a nickel titanium alloy, let's see what we can use it for.
 bob-invar-processing=Invar is an iron nickel alloy, maybe we can use this for something.
diff --git a/bobplates/migrations/bobplates_2.0.0.json b/bobplates/migrations/bobplates_2.0.0.json
index 8fa68a955..92ff1dd39 100644
--- a/bobplates/migrations/bobplates_2.0.0.json
+++ b/bobplates/migrations/bobplates_2.0.0.json
@@ -186,11 +186,8 @@
     ["topaz-3", "bob-topaz-3"],
     ["topaz-4", "bob-topaz-4"],
     ["topaz-5", "bob-topaz-5"],
-    ["tungsten-carbide", "bob-tungsten-carbide"],
     ["tungsten-gear-wheel", "bob-tungsten-gear-wheel"],
-    ["tungsten-ore", "bob-tungsten-ore"],
     ["tungsten-oxide", "bob-tungsten-oxide"],
-    ["tungsten-plate", "bob-tungsten-plate"],
     ["tungstic-acid-barrel", "bob-tungstic-acid-barrel"],
     ["used-up-deuterium-fuel-cell", "bob-depleted-deuterium-fuel-cell"],
     ["used-up-thorium-fuel-cell", "bob-depleted-thorium-fuel-cell"],
@@ -382,11 +379,8 @@
     ["topaz-3", "bob-topaz-3"],
     ["topaz-4", "bob-topaz-4"],
     ["topaz-5", "bob-topaz-5"],
-    ["tungsten-carbide", "bob-tungsten-carbide"],
-    ["tungsten-carbide-2", "bob-tungsten-carbide-2"],
     ["tungsten-gear-wheel", "bob-tungsten-gear-wheel"],
     ["tungsten-oxide", "bob-tungsten-oxide"],
-    ["tungsten-plate", "bob-tungsten-plate"],
     ["tungstic-acid", "bob-tungstic-acid"],
     ["void-chlorine", "void-bob-chlorine"],
     ["void-deuterium", "void-bob-deuterium"],
diff --git a/bobplates/migrations/bobplates_2.0.6.json b/bobplates/migrations/bobplates_2.0.6.json
index 0bd48cfa3..494d2593b 100644
--- a/bobplates/migrations/bobplates_2.0.6.json
+++ b/bobplates/migrations/bobplates_2.0.6.json
@@ -4,7 +4,9 @@
     ["bob-carbon", "carbon"],
     ["bob-lithium", "lithium"],
     ["bob-lithium-ion-battery", "bob-battery-2"],
-    ["bob-silver-zinc-battery", "bob-battery-3"]
+    ["bob-silver-zinc-battery", "bob-battery-3"],
+    ["bob-tungsten-carbide", "tungsten-carbide"],
+    ["bob-tungsten-plate", "tungsten-plate"]
   ],
   "recipe":
   [
@@ -15,6 +17,9 @@
     ["bob-lithium-ion-battery-recycling", "bob-battery-2-recycling"],
     ["bob-lithium-recycling", "lithium-recycling"],
     ["bob-silver-zinc-battery", "bob-battery-3"],
-    ["bob-silver-zinc-battery-recycling", "bob-battery-3-recycling"]
+    ["bob-silver-zinc-battery-recycling", "bob-battery-3-recycling"],
+    ["bob-tungsten-carbide", "tungsten-carbide"],
+    ["bob-tungsten-carbide-2", "tungsten-carbide-2"],
+    ["bob-tungsten-plate", "tungsten-plate"]
   ]
 }
diff --git a/bobplates/prototypes/item/alloys.lua b/bobplates/prototypes/item/alloys.lua
index e9b74f519..51b6df8bf 100644
--- a/bobplates/prototypes/item/alloys.lua
+++ b/bobplates/prototypes/item/alloys.lua
@@ -37,6 +37,7 @@ data:extend({
   {
     type = "item",
     name = "bob-copper-tungsten-alloy",
+    localised_name = { "item-name.bob-copper-tungsten-alloy" },
     icon = "__bobplates__/graphics/icons/plate/copper-tungsten-plate.png",
     icon_size = 32,
     subgroup = "bob-alloy",
@@ -46,10 +47,12 @@ data:extend({
     inventory_move_sound = plate_drop_move,
     pick_sound = plate_pick,
     weight = 2500,
+    auto_recycle = true,
   },
   {
     type = "item",
-    name = "bob-tungsten-carbide",
+    name = "tungsten-carbide",
+    localised_name = { "item-name.bob-tungsten-carbide" },
     icon = "__bobplates__/graphics/icons/plate/tungsten-carbide-plate.png",
     icon_size = 64,
     subgroup = "bob-alloy",
@@ -59,6 +62,7 @@ data:extend({
     inventory_move_sound = plate_drop_move,
     pick_sound = plate_pick,
     weight = 1250,
+    auto_recycle = true,
   },
   {
     type = "item",
@@ -114,3 +118,21 @@ data:extend({
     weight = 2500,
   },
 })
+
+if mods["space-age"] then
+  data:extend({
+    {
+      type = "item",
+      name = "bob-stainless-steel-alloy",
+      icon = "__space-age__/graphics/icons/tungsten-plate.png",
+      subgroup = "bob-alloy",
+      order = "c-b-c[bob-stainless-steel]",
+      stack_size = 200,
+      drop_sound = plate_drop_move,
+      inventory_move_sound = plate_drop_move,
+      pick_sound = plate_pick,
+      weight = 2500,
+      auto_recycle = true,
+    },
+  })
+end
diff --git a/bobplates/prototypes/item/parts.lua b/bobplates/prototypes/item/parts.lua
index a57ee7c00..e0a3cb24b 100644
--- a/bobplates/prototypes/item/parts.lua
+++ b/bobplates/prototypes/item/parts.lua
@@ -135,7 +135,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/titanium-gear-wheel.png",
     icon_size = 32,
     subgroup = "bob-gears",
-    order = "bd[bob-titanium-gear-wheel]",
+    order = "be[bob-titanium-gear-wheel]",
     stack_size = 100,
     drop_sound = plate_drop_move,
     inventory_move_sound = plate_drop_move,
@@ -149,7 +149,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/titanium-bearing-ball.png",
     icon_size = 32,
     subgroup = "bob-bearings",
-    order = "bad[bob-ball-bearing-titanium]",
+    order = "bae[bob-ball-bearing-titanium]",
     stack_size = 500,
     drop_sound = ball_drop_move,
     inventory_move_sound = ball_drop_move,
@@ -163,7 +163,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/titanium-bearing.png",
     icon_size = 32,
     subgroup = "bob-bearings",
-    order = "bbd[bob-bearing-titanium]",
+    order = "bbe[bob-bearing-titanium]",
     stack_size = 100,
     drop_sound = bearing_drop_move,
     inventory_move_sound = bearing_drop_move,
@@ -177,7 +177,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/tungsten-gear-wheel.png",
     icon_size = 32,
     subgroup = "bob-gears",
-    order = "be[bob-tungsten-gear-wheel]",
+    order = "bf[bob-tungsten-gear-wheel]",
     stack_size = 100,
     drop_sound = plate_drop_move,
     inventory_move_sound = plate_drop_move,
@@ -191,7 +191,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/ceramic-bearing-ball.png",
     icon_size = 32,
     subgroup = "bob-bearings",
-    order = "bae[bob-ball-bearing-ceramic]",
+    order = "baf[bob-ball-bearing-ceramic]",
     stack_size = 500,
     drop_sound = ball_drop_move,
     inventory_move_sound = ball_drop_move,
@@ -205,7 +205,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/ceramic-bearing.png",
     icon_size = 32,
     subgroup = "bob-bearings",
-    order = "bbe[bob-bearing-ceramic]",
+    order = "bbf[bob-bearing-ceramic]",
     stack_size = 100,
     drop_sound = bearing_drop_move,
     inventory_move_sound = bearing_drop_move,
@@ -219,7 +219,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/nitinol-gear-wheel.png",
     icon_size = 32,
     subgroup = "bob-gears",
-    order = "bf[bob-nitinol-gear-wheel]",
+    order = "bg[bob-nitinol-gear-wheel]",
     stack_size = 100,
     drop_sound = plate_drop_move,
     inventory_move_sound = plate_drop_move,
@@ -233,7 +233,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/nitinol-bearing-ball.png",
     icon_size = 32,
     subgroup = "bob-bearings",
-    order = "baf[bob-ball-bearing-nitinol]",
+    order = "bag[bob-ball-bearing-nitinol]",
     stack_size = 500,
     drop_sound = ball_drop_move,
     inventory_move_sound = ball_drop_move,
@@ -247,7 +247,7 @@ data:extend({
     icon = "__bobplates__/graphics/icons/nitinol-bearing.png",
     icon_size = 32,
     subgroup = "bob-bearings",
-    order = "bbf[bob-bearing-nitinol]",
+    order = "bbg[bob-bearing-nitinol]",
     stack_size = 100,
     drop_sound = bearing_drop_move,
     inventory_move_sound = bearing_drop_move,
@@ -355,6 +355,50 @@ data:extend({
 })
 
 if mods["space-age"] then
+
+  data:extend({
+    {
+      type = "item",
+      name = "bob-stainless-steel-gear-wheel",
+      icon = "__bobplates__/graphics/icons/cobalt-steel-gear-wheel.png",
+      icon_size = 32,
+      subgroup = "bob-gears",
+      order = "bd[bob-stainless-steel-gear-wheel]",
+      stack_size = 100,
+      drop_sound = plate_drop_move,
+      inventory_move_sound = plate_drop_move,
+      pick_sound = plate_pick,
+      weight = 5000,
+    },
+
+    {
+      type = "item",
+      name = "bob-stainless-steel-bearing-ball",
+      icon = "__bobplates__/graphics/icons/cobalt-steel-bearing-ball.png",
+      icon_size = 32,
+      subgroup = "bob-bearings",
+      order = "bad[bob-ball-bearing-stainless-steel]",
+      stack_size = 500,
+      drop_sound = ball_drop_move,
+      inventory_move_sound = ball_drop_move,
+      pick_sound = ball_pick,
+      weight = 200,
+    },
+
+    {
+      type = "item",
+      name = "bob-stainless-steel-bearing",
+      icon = "__bobplates__/graphics/icons/cobalt-steel-bearing.png",
+      icon_size = 32,
+      subgroup = "bob-bearings",
+      order = "bbd[bob-bearing-stainless-steel]",
+      stack_size = 100,
+      drop_sound = bearing_drop_move,
+      inventory_move_sound = bearing_drop_move,
+      pick_sound = bearing_pick,
+      weight = 5000,
+    },
+  })
   data.raw.item["bob-battery-2"].localised_name = { "item-name.bob-silver-zinc-battery" }
   data.raw.item["bob-battery-3"].localised_name = { "item-name.bob-lithium-ion-battery" }
   data.raw.item["bob-battery-2"].icon = "__bobplates__/graphics/icons/silver-zinc-battery.png"
diff --git a/bobplates/prototypes/item/plates.lua b/bobplates/prototypes/item/plates.lua
index dacd6e100..74edb743d 100644
--- a/bobplates/prototypes/item/plates.lua
+++ b/bobplates/prototypes/item/plates.lua
@@ -174,6 +174,25 @@ if not data.raw.item["lithium-plate"] then
       inventory_move_sound = plate_drop_move,
       pick_sound = plate_pick,
       weight = 500,
+      auto_recycle = true,
+    },
+  })
+end
+
+if mods["space-age"] then
+  data:extend({
+    {
+      type = "item",
+      name = "bob-chromium-plate",
+      icon = "__space-age__/graphics/icons/tungsten-carbide.png",
+      subgroup = "bob-material",
+      order = "f[bob-chromium-plate]",
+      stack_size = 200,
+      drop_sound = plate_drop_move,
+      inventory_move_sound = plate_drop_move,
+      pick_sound = plate_pick,
+      weight = 1000,
+      auto_recycle = true,
     },
   })
 end
diff --git a/bobplates/prototypes/recipe/alloy-recipe.lua b/bobplates/prototypes/recipe/alloy-recipe.lua
index 3eb1ef046..6d3debd09 100644
--- a/bobplates/prototypes/recipe/alloy-recipe.lua
+++ b/bobplates/prototypes/recipe/alloy-recipe.lua
@@ -52,7 +52,7 @@ data:extend({
   },
   {
     type = "recipe",
-    name = "bob-tungsten-carbide",
+    name = "tungsten-carbide",
     enabled = false,
     auto_recycle = false,
     category = "bob-mixing-furnace",
@@ -62,14 +62,14 @@ data:extend({
       { type = "item", name = "bob-tungsten-oxide", amount = 1 },
     },
     results = {
-      { type = "item", name = "bob-tungsten-carbide", amount = 2 },
+      { type = "item", name = "tungsten-carbide", amount = 2 },
     },
     allow_decomposition = false,
     allow_productivity = true,
   },
   {
     type = "recipe",
-    name = "bob-tungsten-carbide-2",
+    name = "tungsten-carbide-2",
     localised_name = { "item-name.bob-tungsten-carbide" },
     enabled = false,
     auto_recycle = false,
@@ -80,7 +80,7 @@ data:extend({
       { type = "item", name = "bob-powdered-tungsten", amount = 1 },
     },
     results = {
-      { type = "item", name = "bob-tungsten-carbide", amount = 2 },
+      { type = "item", name = "tungsten-carbide", amount = 2 },
     },
     allow_decomposition = false,
     allow_productivity = true,
@@ -155,3 +155,27 @@ data:extend({
     allow_productivity = true,
   },
 })
+
+if mods["space-age"] then
+  data:extend({
+    {
+      type = "recipe",
+      name = "bob-stainless-steel-alloy",
+      category = "bob-mixing-furnace",
+      energy_required = 32,
+      enabled = false,
+      auto_recycle = false,
+      ingredients = {
+        { type = "item", name = "iron-plate", amount = 11 },
+        { type = "item", name = "bob-chromium-plate", amount = 4 },
+      },
+      results = { { type = "item", name = "bob-stainless-steel-alloy", amount = 10 } },
+      allow_decomposition = false,
+      allow_productivity = true,
+    },
+  })
+
+  bobmods.lib.recipe.set_category("bob-copper-tungsten-alloy", "metallurgy")
+  bobmods.lib.recipe.remove_ingredient("bob-copper-tungsten-alloy", "copper-plate")
+  bobmods.lib.recipe.add_ingredient("bob-copper-tungsten-alloy", { type = "fluid", name = "molten-copper", amount = 80 })
+end
diff --git a/bobplates/prototypes/recipe/chemistry-recipe.lua b/bobplates/prototypes/recipe/chemistry-recipe.lua
index 01531068b..b8d438fe2 100644
--- a/bobplates/prototypes/recipe/chemistry-recipe.lua
+++ b/bobplates/prototypes/recipe/chemistry-recipe.lua
@@ -951,8 +951,13 @@ if mods["bobpower"] then
 end
 
 if mods["space-age"] then
+  bobmods.lib.recipe.replace_ingredient("bob-tungstic-acid", "bob-tungsten-ore", "tungsten-ore")
+  bobmods.lib.recipe.replace_ingredient("bob-tungstic-acid", "bob-hydrogen-chloride", "sulfuric-acid")
+  bobmods.lib.recipe.remove_result("bob-tungstic-acid", "bob-calcium-chloride")
+
   bobmods.lib.recipe.replace_ingredient("bob-lithium-chloride", "bob-lithia-water", "lithium-brine")
   bobmods.lib.recipe.hide("bob-pure-water-from-lithia")
+
   data.raw.recipe["bob-liquid-air"].surface_conditions = {
     {
       property = "pressure",
diff --git a/bobplates/prototypes/recipe/parts-recipe.lua b/bobplates/prototypes/recipe/parts-recipe.lua
index 5c76f0c2f..b28890b75 100644
--- a/bobplates/prototypes/recipe/parts-recipe.lua
+++ b/bobplates/prototypes/recipe/parts-recipe.lua
@@ -119,7 +119,7 @@ data:extend({
     name = "bob-tungsten-gear-wheel",
     enabled = false,
     ingredients = {
-      { type = "item", name = "bob-tungsten-plate", amount = 2 },
+      { type = "item", name = "tungsten-plate", amount = 2 },
     },
     results = { { type = "item", name = "bob-tungsten-gear-wheel", amount = 1 } },
     allow_productivity = true,
@@ -260,6 +260,42 @@ data:extend({
 })
 
 if mods["space-age"] then
+  data:extend({
+    {
+      type = "recipe",
+      name = "bob-stainless-steel-gear-wheel",
+      enabled = false,
+      ingredients = {
+        { type = "item", name = "bob-stainless-steel-alloy", amount = 2 },
+      },
+      results = { { type = "item", name = "bob-stainless-steel-gear-wheel", amount = 1 } },
+      allow_productivity = true,
+    },
+
+    {
+      type = "recipe",
+      name = "bob-stainless-steel-bearing-ball",
+      enabled = false,
+      ingredients = {
+        { type = "item", name = "bob-stainless-steel-alloy", amount = 1 },
+      },
+      results = { { type = "item", name = "bob-stainless-steel-bearing-ball", amount = 12 } },
+      allow_productivity = true,
+    },
+
+    {
+      type = "recipe",
+      name = "bob-stainless-steel-bearing",
+      enabled = false,
+      ingredients = {
+        { type = "item", name = "bob-stainless-steel-alloy", amount = 1 },
+        { type = "item", name = "bob-stainless-steel-bearing-ball", amount = 16 },
+      },
+      results = { { type = "item", name = "bob-stainless-steel-bearing", amount = 2 } },
+      allow_productivity = true,
+    },
+  })
+
   data.raw.recipe["bob-battery-2"].category = "chemistry-or-cryogenics"
   data.raw.recipe["bob-battery-3"].category = "chemistry-or-cryogenics"
   data.raw.recipe["bob-battery-2"].ingredients = {
diff --git a/bobplates/prototypes/recipe/plates-recipe.lua b/bobplates/prototypes/recipe/plates-recipe.lua
index d82332cf4..75835800e 100644
--- a/bobplates/prototypes/recipe/plates-recipe.lua
+++ b/bobplates/prototypes/recipe/plates-recipe.lua
@@ -93,7 +93,7 @@ data:extend({
 
   {
     type = "recipe",
-    name = "bob-tungsten-plate",
+    name = "tungsten-plate",
     enabled = false,
     auto_recycle = false,
     category = "bob-mixing-furnace",
@@ -103,7 +103,7 @@ data:extend({
       { type = "item", name = "bob-nickel-plate", amount = 1 },
       { type = "item", name = "bob-powdered-tungsten", amount = 4 },
     },
-    results = { { type = "item", name = "bob-tungsten-plate", amount = 5 } },
+    results = { { type = "item", name = "tungsten-plate", amount = 5 } },
     allow_decomposition = false,
     allow_productivity = true,
   },
@@ -203,7 +203,37 @@ data:extend({
   },
 })
 
-if not mods["space-age"] then
+
+
+if mods["space-age"] then
+  data:extend({
+    {
+      type = "recipe",
+      name = "bob-chromium-plate",
+      category = "bob-chemical-furnace",
+      subgroup = "bob-material-chemical",
+      energy_required = 6.4,
+      enabled = false,
+      auto_recycle = false,
+      ingredients = {
+        { type = "item", name = "bob-tungsten-ore", amount = 2 },
+        { type = "item", name = "stone", amount = 1 },
+        { type = "fluid", name = "sulfuric-acid", amount = 20 },
+        { type = "item", name = "carbon", amount = 1 },
+      },
+      results = { { type = "item", name = "bob-chromium-plate", amount = 2 } },
+      allow_decomposition = false,
+      allow_productivity = true,
+    },
+  })
+
+  bobmods.lib.recipe.set_category("tungsten-plate", "metallurgy")
+  bobmods.lib.recipe.remove_ingredient("tungsten-plate", "bob-nickel-plate")
+  bobmods.lib.recipe.add_ingredient("tungsten-plate", { type = "fluid", name = "molten-iron", amount = 40 })
+
+  bobmods.lib.recipe.remove_ingredient("lithium", "lithium-brine")
+  bobmods.lib.recipe.add_ingredient("lithium", { type = "item", name = "bob-lithium-chloride", amount = 5 })
+else
   data:extend({
     {
       type = "recipe",
@@ -222,7 +252,4 @@ if not mods["space-age"] then
       allow_productivity = true,
     },
   })
-else
-  bobmods.lib.recipe.remove_ingredient("lithium", "lithium-brine")
-  bobmods.lib.recipe.add_ingredient("lithium", { type = "item", name = "bob-lithium-chloride", amount = 5 })
 end
diff --git a/bobplates/prototypes/technology-updates.lua b/bobplates/prototypes/technology-updates.lua
index b81346a99..ef59dd264 100644
--- a/bobplates/prototypes/technology-updates.lua
+++ b/bobplates/prototypes/technology-updates.lua
@@ -74,18 +74,36 @@ bobmods.lib.tech.add_recipe_unlock("bob-silicon-processing", "bob-silicon-powder
 
 bobmods.lib.tech.add_recipe_unlock("bob-titanium-processing", "bob-titanium-plate")
 
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungstic-acid")
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-oxide")
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-powdered-tungsten")
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-plate")
-
 bobmods.lib.tech.add_recipe_unlock("bob-invar-processing", "bob-invar-alloy")
 
 bobmods.lib.tech.add_recipe_unlock("bob-nitinol-processing", "bob-nitinol-alloy")
 
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-copper-tungsten-alloy")
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-tungsten-carbide")
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-tungsten-carbide-2")
+if not mods["space-age"] then
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungstic-acid")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-oxide")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-powdered-tungsten")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "tungsten-plate")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-gear-wheel")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "bob-copper-tungsten-alloy")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "tungsten-carbide")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-alloy-processing", "tungsten-carbide-2")
+else
+  data.raw.technology["bob-tungsten-processing"].localised_name = { "technology-name.bob-chromium-processing" }
+  data.raw.technology["bob-tungsten-processing"].localised_description = { "technology-description.bob-chromium-processing" }
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-chromium-plate")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-stainless-steel-alloy")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-stainless-steel-gear-wheel")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-stainless-steel-bearing-ball")
+  bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-stainless-steel-bearing")
+
+  bobmods.lib.tech.add_recipe_unlock("tungsten-carbide", "tungsten-carbide-2")
+  bobmods.lib.tech.add_recipe_unlock("tungsten-carbide", "bob-tungstic-acid")
+  bobmods.lib.tech.add_recipe_unlock("tungsten-carbide", "bob-tungsten-oxide")
+  bobmods.lib.tech.add_recipe_unlock("tungsten-carbide", "bob-powdered-tungsten")
+  bobmods.lib.tech.add_recipe_unlock("tungsten-steel", "tungsten-plate")
+  bobmods.lib.tech.add_recipe_unlock("tungsten-steel", "bob-copper-tungsten-alloy")
+  bobmods.lib.tech.add_recipe_unlock("tungsten-steel", "bob-tungsten-gear-wheel")
+end
 
 bobmods.lib.tech.add_recipe_unlock("bob-cobalt-processing", "bob-cobalt-oxide")
 bobmods.lib.tech.add_recipe_unlock("bob-cobalt-processing", "bob-cobalt-oxide-from-copper")
@@ -134,8 +152,6 @@ bobmods.lib.tech.add_recipe_unlock("bob-titanium-processing", "bob-titanium-bear
 bobmods.lib.tech.add_recipe_unlock("bob-titanium-processing", "bob-titanium-bearing")
 bobmods.lib.tech.add_prerequisite("bob-titanium-processing", "lubricant")
 
-bobmods.lib.tech.add_recipe_unlock("bob-tungsten-processing", "bob-tungsten-gear-wheel")
-
 bobmods.lib.tech.add_recipe_unlock("bob-nitinol-processing", "bob-nitinol-gear-wheel")
 bobmods.lib.tech.add_recipe_unlock("bob-nitinol-processing", "bob-nitinol-bearing-ball")
 bobmods.lib.tech.add_recipe_unlock("bob-nitinol-processing", "bob-nitinol-bearing")
diff --git a/bobplates/remote.lua b/bobplates/remote.lua
index 929423bec..614cd2762 100644
--- a/bobplates/remote.lua
+++ b/bobplates/remote.lua
@@ -62,16 +62,16 @@ local function milestones_presets()
     { type = "item", name = "bob-aluminium-plate", quantity = 1000, next = "x10" },
     { type = "item", name = "bob-titanium-plate", quantity = 1 },
     { type = "item", name = "bob-titanium-plate", quantity = 1000, next = "x10" },
-    { type = "item", name = "bob-tungsten-plate", quantity = 1 },
-    { type = "item", name = "bob-tungsten-plate", quantity = 1000, next = "x10" },
+    { type = "item", name = "tungsten-plate", quantity = 1 },
+    { type = "item", name = "tungsten-plate", quantity = 1000, next = "x10" },
     { type = "item", name = "bob-bronze-alloy", quantity = 1 },
     { type = "item", name = "bob-bronze-alloy", quantity = 1000, next = "x10" },
     { type = "item", name = "bob-brass-alloy", quantity = 1 },
     { type = "item", name = "bob-brass-alloy", quantity = 1000, next = "x10" },
     { type = "item", name = "bob-copper-tungsten-alloy", quantity = 1 },
     { type = "item", name = "bob-copper-tungsten-alloy", quantity = 1000, next = "x10" },
-    { type = "item", name = "bob-tungsten-carbide", quantity = 1 },
-    { type = "item", name = "bob-tungsten-carbide", quantity = 1000, next = "x10" },
+    { type = "item", name = "tungsten-carbide", quantity = 1 },
+    { type = "item", name = "tungsten-carbide", quantity = 1000, next = "x10" },
     { type = "item", name = "bob-gunmetal-alloy", quantity = 1 },
     { type = "item", name = "bob-gunmetal-alloy", quantity = 1000, next = "x10" },
     { type = "item", name = "bob-invar-alloy", quantity = 1 },
diff --git a/bobpower/prototypes/heat-pipes-updates.lua b/bobpower/prototypes/heat-pipes-updates.lua
index b8a790db8..e7713c5ac 100644
--- a/bobpower/prototypes/heat-pipes-updates.lua
+++ b/bobpower/prototypes/heat-pipes-updates.lua
@@ -34,8 +34,8 @@ then
   if data.raw.item["bob-titanium-plate"] then
     bobmods.lib.recipe.replace_ingredient("bob-heat-pipe-3", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-heat-pipe-3", "bob-titanium-processing")
-  elseif data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-heat-pipe-3", "steel-plate", "bob-tungsten-plate")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-heat-pipe-3", "steel-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-heat-pipe-3", "bob-tungsten-processing")
   end
 
diff --git a/bobpower/prototypes/recipe/boilers-updates.lua b/bobpower/prototypes/recipe/boilers-updates.lua
index 1fe4f67c4..b2a35872e 100644
--- a/bobpower/prototypes/recipe/boilers-updates.lua
+++ b/bobpower/prototypes/recipe/boilers-updates.lua
@@ -13,8 +13,11 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-boiler-3", "bob-zinc-processing")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-boiler-4", "steel-plate", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-boiler-4", "steel-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-boiler-4", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-boiler-4", "steel-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-boiler-4", "bob-tungsten-processing")
   end
 
@@ -23,7 +26,10 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-boiler-4", "bob-ceramics")
   end
 
-  if data.raw.item["bob-copper-tungsten-alloy"] then
+  if mods["space-age"] and data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-boiler-5", "steel-plate", "tungsten-plate")
+    bobmods.lib.tech.add_prerequisite("bob-boiler-5", "metallurgic-science-pack")
+  elseif data.raw.item["bob-copper-tungsten-alloy"] then
     bobmods.lib.recipe.replace_ingredient("bob-boiler-5", "steel-plate", "bob-copper-tungsten-alloy")
     bobmods.lib.tech.add_prerequisite("bob-boiler-5", "bob-tungsten-alloy-processing")
   end
diff --git a/bobpower/prototypes/recipe/fluid-generator-updates.lua b/bobpower/prototypes/recipe/fluid-generator-updates.lua
index 8d7861442..461bdde13 100644
--- a/bobpower/prototypes/recipe/fluid-generator-updates.lua
+++ b/bobpower/prototypes/recipe/fluid-generator-updates.lua
@@ -88,14 +88,19 @@ if settings.startup["bobmods-power-fluidgenerator"].value == true then
     bobmods.lib.recipe.add_ingredient("bob-fluid-generator-3", { type = "item", name = "iron-gear-wheel", amount = 10 })
   end
 
-  if data.raw.item["bob-tungsten-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-fluid-generator-3", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+  elseif data.raw.item["bob-tungsten-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-fluid-generator-3", "iron-gear-wheel", "bob-tungsten-gear-wheel")
   elseif data.raw.item["bob-steel-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-fluid-generator-3", "iron-gear-wheel", "bob-steel-gear-wheel")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-fluid-generator-3", "iron-plate", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-fluid-generator-3", "iron-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-fluid-generator-3", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-fluid-generator-3", "iron-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-fluid-generator-3", "bob-tungsten-processing")
   end
 
@@ -132,7 +137,10 @@ if settings.startup["bobmods-power-fluidgenerator"].value == true then
       )
     end
 
-    if data.raw.item["bob-nitinol-gear-wheel"] then
+    if mods["space-age"] and data.raw.item["bob-tungsten-gear-wheel"] then
+      bobmods.lib.recipe.replace_ingredient("bob-hydrazine-generator", "iron-gear-wheel", "bob-tungsten-gear-wheel")
+      bobmods.lib.tech.add_prerequisite("bob-hydrazine-generator", "metallurgic-science-pack")
+    elseif data.raw.item["bob-nitinol-gear-wheel"] then
       bobmods.lib.recipe.replace_ingredient("bob-hydrazine-generator", "iron-gear-wheel", "bob-nitinol-gear-wheel")
     end
 
diff --git a/bobpower/prototypes/recipe/heat-exchangers-updates.lua b/bobpower/prototypes/recipe/heat-exchangers-updates.lua
index d64ddadbd..fb58bc0e0 100644
--- a/bobpower/prototypes/recipe/heat-exchangers-updates.lua
+++ b/bobpower/prototypes/recipe/heat-exchangers-updates.lua
@@ -12,8 +12,11 @@ if settings.startup["bobmods-power-steam"].value == true then
   if data.raw.item["bob-brass-pipe"] then
     bobmods.lib.recipe.add_ingredient("bob-heat-exchanger-2", { type = "item", name = "bob-brass-pipe", amount = 4 })
   end
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-heat-exchanger-3", "steel-plate", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-heat-exchanger-3", "steel-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-heat-exchanger-3", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-heat-exchanger-3", "steel-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-heat-exchanger-3", "bob-tungsten-processing")
   end
   if data.raw.item["bob-ceramic-pipe"] then
diff --git a/bobpower/prototypes/recipe/nuclear-updates.lua b/bobpower/prototypes/recipe/nuclear-updates.lua
index 8b6728bfb..f4ed7e7f6 100644
--- a/bobpower/prototypes/recipe/nuclear-updates.lua
+++ b/bobpower/prototypes/recipe/nuclear-updates.lua
@@ -13,9 +13,13 @@ if settings.startup["bobmods-power-nuclear"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-nuclear-power-2", "bob-zinc-processing")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-nuclear-reactor-2", "steel-plate", "bob-tungsten-plate")
-    bobmods.lib.tech.add_prerequisite("bob-nuclear-power-2", "bob-tungsten-processing")
+  if data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-nuclear-reactor-2", "steel-plate", "tungsten-plate")
+    if not mods["space-age"] then
+      bobmods.lib.tech.add_prerequisite("bob-nuclear-power-2", "bob-tungsten-processing")
+    else
+      bobmods.lib.tech.add_prerequisite("bob-nuclear-power-2", "metallurgic-science-pack")
+    end
   end
 
   if data.raw.item["bob-lead-plate"] then
@@ -32,8 +36,8 @@ if settings.startup["bobmods-power-nuclear"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-nuclear-power-3", "bob-tungsten-alloy-processing")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-nuclear-reactor-3", "steel-plate", "bob-tungsten-carbide")
+  if data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-nuclear-reactor-3", "steel-plate", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("bob-nuclear-power-3", "bob-tungsten-alloy-processing")
   end
 
diff --git a/bobpower/prototypes/recipe/oil-boilers-updates.lua b/bobpower/prototypes/recipe/oil-boilers-updates.lua
index ad171438e..86662de92 100644
--- a/bobpower/prototypes/recipe/oil-boilers-updates.lua
+++ b/bobpower/prototypes/recipe/oil-boilers-updates.lua
@@ -13,8 +13,11 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-oil-boiler-2", "bob-zinc-processing")
   end
 
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-oil-boiler-3", "steel-plate", "bob-tungsten-plate")
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-oil-boiler-3", "steel-plate", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.add_prerequisite("bob-oil-boiler-3", "bob-tungsten-processing")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-oil-boiler-3", "steel-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-oil-boiler-3", "bob-tungsten-processing")
   end
 
@@ -23,7 +26,10 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.tech.add_prerequisite("bob-oil-boiler-3", "bob-ceramics")
   end
 
-  if data.raw.item["bob-copper-tungsten-alloy"] then
+  if mods["space-age"] and data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-oil-boiler-4", "steel-plate", "tungsten-plate")
+    bobmods.lib.tech.add_prerequisite("bob-oil-boiler-4", "metallurgic-science-pack")
+  elseif data.raw.item["bob-copper-tungsten-alloy"] then
     bobmods.lib.recipe.replace_ingredient("bob-oil-boiler-4", "steel-plate", "bob-copper-tungsten-alloy")
     bobmods.lib.tech.add_prerequisite("bob-oil-boiler-4", "bob-tungsten-alloy-processing")
   end
diff --git a/bobpower/prototypes/recipe/poles-updates.lua b/bobpower/prototypes/recipe/poles-updates.lua
index a2301795b..ae0462860 100644
--- a/bobpower/prototypes/recipe/poles-updates.lua
+++ b/bobpower/prototypes/recipe/poles-updates.lua
@@ -23,10 +23,10 @@ if settings.startup["bobmods-power-poles"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-substation-3", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-electric-pole-3", "bob-titanium-processing")
     bobmods.lib.tech.add_prerequisite("bob-electric-substation-3", "bob-titanium-processing")
-  elseif data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-medium-electric-pole-3", "steel-plate", "bob-tungsten-plate")
-    bobmods.lib.recipe.replace_ingredient("bob-big-electric-pole-3", "steel-plate", "bob-tungsten-plate")
-    bobmods.lib.recipe.replace_ingredient("bob-substation-3", "steel-plate", "bob-tungsten-plate")
+  elseif data.raw.item["tungsten-plate"] then
+    bobmods.lib.recipe.replace_ingredient("bob-medium-electric-pole-3", "steel-plate", "tungsten-plate")
+    bobmods.lib.recipe.replace_ingredient("bob-big-electric-pole-3", "steel-plate", "tungsten-plate")
+    bobmods.lib.recipe.replace_ingredient("bob-substation-3", "steel-plate", "tungsten-plate")
     bobmods.lib.tech.add_prerequisite("bob-electric-pole-3", "bob-tungsten-processing")
     bobmods.lib.tech.add_prerequisite("bob-electric-substation-3", "bob-tungsten-processing")
   end
diff --git a/bobpower/prototypes/recipe/steam-engines-updates.lua b/bobpower/prototypes/recipe/steam-engines-updates.lua
index 36d227a21..7024d3970 100644
--- a/bobpower/prototypes/recipe/steam-engines-updates.lua
+++ b/bobpower/prototypes/recipe/steam-engines-updates.lua
@@ -68,7 +68,10 @@ if settings.startup["bobmods-power-steam"].value == true then
     end
   end
 
-  if data.raw.item["bob-tungsten-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-steam-engine-4", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-steam-engine-4", "bob-tungsten-processing")
+  elseif data.raw.item["bob-tungsten-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-steam-engine-4", "iron-gear-wheel", "bob-tungsten-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-steam-engine-4", "bob-tungsten-processing")
   else
@@ -81,13 +84,15 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-steam-engine-4", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-steam-engine-4", "bob-titanium-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-steam-engine-4", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-steam-engine-4", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-steam-engine-4", "bob-tungsten-processing")
     end
   end
 
-  if data.raw.item["bob-titanium-pipe"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-pipe"] then
+    bobmods.lib.recipe.replace_ingredient("bob-steam-engine-4", "pipe", "bob-stainless-steel-pipe")
+  elseif data.raw.item["bob-titanium-pipe"] then
     bobmods.lib.recipe.replace_ingredient("bob-steam-engine-4", "pipe", "bob-titanium-pipe")
   end
 
@@ -104,7 +109,10 @@ if settings.startup["bobmods-power-steam"].value == true then
     end
   end
 
-  if data.raw.item["bob-nitinol-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-tungsten-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-steam-engine-5", "iron-gear-wheel", "bob-tungsten-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-steam-engine-5", "metallurgic-science-pack")
+  elseif data.raw.item["bob-nitinol-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-steam-engine-5", "iron-gear-wheel", "bob-nitinol-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-steam-engine-5", "bob-nitinol-processing")
   else
@@ -122,8 +130,8 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-steam-engine-5", "steel-plate", "bob-nitinol-alloy")
     bobmods.lib.tech.add_prerequisite("bob-steam-engine-5", "bob-nitinol-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-steam-engine-5", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-steam-engine-5", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-steam-engine-5", "bob-tungsten-processing")
     end
   end
diff --git a/bobpower/prototypes/recipe/steam-turbines-updates.lua b/bobpower/prototypes/recipe/steam-turbines-updates.lua
index 961d64076..acacc0230 100644
--- a/bobpower/prototypes/recipe/steam-turbines-updates.lua
+++ b/bobpower/prototypes/recipe/steam-turbines-updates.lua
@@ -56,7 +56,10 @@ if settings.startup["bobmods-power-steam"].value == true then
     end
   end
 
-  if data.raw.item["bob-tungsten-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-steam-turbine-2", "bob-tungsten-processing")
+  elseif data.raw.item["bob-tungsten-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-2", "iron-gear-wheel", "bob-tungsten-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-steam-turbine-2", "bob-tungsten-processing")
   else
@@ -69,13 +72,15 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-2", "steel-plate", "bob-titanium-plate")
     bobmods.lib.tech.add_prerequisite("bob-steam-turbine-2", "bob-titanium-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-2", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-2", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-steam-turbine-2", "bob-tungsten-processing")
     end
   end
 
-  if data.raw.item["bob-titanium-pipe"] then
+  if mods["space-age"] and data.raw.item["bob-stainless-steel-pipe"] then
+    bobmods.lib.recipe.add_ingredient("bob-steam-turbine-2", { type = "item", name = "bob-stainless-steel-pipe", amount = 5 })
+  elseif data.raw.item["bob-titanium-pipe"] then
     bobmods.lib.recipe.add_ingredient("bob-steam-turbine-2", { type = "item", name = "bob-titanium-pipe", amount = 5 })
   end
 
@@ -100,7 +105,10 @@ if settings.startup["bobmods-power-steam"].value == true then
     end
   end
 
-  if data.raw.item["bob-nitinol-gear-wheel"] then
+  if mods["space-age"] and data.raw.item["bob-tungsten-gear-wheel"] then
+    bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-3", "iron-gear-wheel", "bob-tungsten-gear-wheel")
+    bobmods.lib.tech.add_prerequisite("bob-steam-turbine-3", "metallurgic-science-pack")
+  elseif data.raw.item["bob-nitinol-gear-wheel"] then
     bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-3", "iron-gear-wheel", "bob-nitinol-gear-wheel")
     bobmods.lib.tech.add_prerequisite("bob-steam-turbine-3", "bob-nitinol-processing")
   else
@@ -118,8 +126,8 @@ if settings.startup["bobmods-power-steam"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-3", "steel-plate", "bob-nitinol-alloy")
     bobmods.lib.tech.add_prerequisite("bob-steam-turbine-3", "bob-nitinol-processing")
   else
-    if data.raw.item["bob-tungsten-plate"] then
-      bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-3", "steel-plate", "bob-tungsten-plate")
+    if data.raw.item["tungsten-plate"] then
+      bobmods.lib.recipe.replace_ingredient("bob-steam-turbine-3", "steel-plate", "tungsten-plate")
       bobmods.lib.tech.add_prerequisite("bob-steam-turbine-3", "bob-tungsten-processing")
     end
   end
diff --git a/bobrevamp/prototypes/rocket-parts-updates.lua b/bobrevamp/prototypes/rocket-parts-updates.lua
index ee25c5f31..32eca1cb7 100644
--- a/bobrevamp/prototypes/rocket-parts-updates.lua
+++ b/bobrevamp/prototypes/rocket-parts-updates.lua
@@ -24,7 +24,10 @@ bobmods.lib.recipe.add_ingredient("rocket-silo", { type = "item", name = "bob-he
 bobmods.lib.recipe.add_ingredient("cargo-landing-pad", { type = "item", name = "bob-heat-shield-tile", amount = 100 })
 bobmods.lib.recipe.add_ingredient("cargo-landing-pad", { type = "item", name = "electric-engine-unit", amount = 40 })
 
-if data.raw.item["bob-tungsten-pipe"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-pipe"] then
+  bobmods.lib.recipe.add_ingredient("rocket-part", { type = "item", name = "bob-stainless-steel-pipe", amount = 30 })
+  bobmods.lib.tech.add_prerequisite("rocket-silo", "bob-tungsten-processing")
+elseif data.raw.item["bob-tungsten-pipe"] then
   bobmods.lib.recipe.add_ingredient("rocket-part", { type = "item", name = "bob-tungsten-pipe", amount = 30 })
 end
 
@@ -34,9 +37,16 @@ if data.raw.item["bob-silicon-nitride"] then
   bobmods.lib.recipe.replace_ingredient("bob-heat-shield-tile", "steel-plate", "bob-silicon-nitride")
   bobmods.lib.tech.replace_prerequisite("bob-heat-shield", "steel-processing", "bob-ceramics")
 end
-if data.raw.item["bob-tungsten-carbide"] then
-  bobmods.lib.recipe.replace_ingredient("bob-heat-shield-tile", "plastic-bar", "bob-tungsten-carbide")
-  bobmods.lib.tech.replace_prerequisite("bob-heat-shield", "plastics", "bob-tungsten-alloy-processing")
+if not mods["space-age"] then
+  if data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-heat-shield-tile", "plastic-bar", "tungsten-carbide")
+    bobmods.lib.tech.replace_prerequisite("bob-heat-shield", "plastics", "bob-tungsten-alloy-processing")
+  end
+else
+  if data.raw.item["bob-stainless-steel-alloy"] then
+    bobmods.lib.recipe.replace_ingredient("bob-heat-shield-tile", "plastic-bar", "bob-stainless-steel-alloy")
+    bobmods.lib.tech.replace_prerequisite("bob-heat-shield", "plastics", "bob-tungsten-processing")
+  end
 end
 
 if data.raw.item["bob-titanium-plate"] then
diff --git a/bobvehicleequipment/prototypes/recipe-updates.lua b/bobvehicleequipment/prototypes/recipe-updates.lua
index 14bbd1a61..b1c945c5d 100644
--- a/bobvehicleequipment/prototypes/recipe-updates.lua
+++ b/bobvehicleequipment/prototypes/recipe-updates.lua
@@ -753,37 +753,57 @@ if data.raw.fluid["bob-heavy-water"] then
   bobmods.lib.tech.add_prerequisite("bob-vehicle-fission-cell-equipment-2", "bob-heavy-water-processing")
 end
 
-if data.raw.item["bob-tungsten-plate"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
   bobmods.lib.recipe.remove_ingredient("bob-vehicle-fission-reactor-equipment-3", "low-density-structure")
   bobmods.lib.recipe.remove_ingredient("bob-vehicle-fission-cell-equipment-3", "low-density-structure")
   bobmods.lib.tech.remove_prerequisite("bob-vehicle-fission-reactor-equipment-3", "low-density-structure")
   bobmods.lib.tech.remove_prerequisite("bob-vehicle-fission-cell-equipment-3", "low-density-structure")
   bobmods.lib.recipe.add_ingredient(
     "bob-vehicle-fission-reactor-equipment-3",
-    { type = "item", name = "bob-tungsten-plate", amount = 250 }
+    { type = "item", name = "bob-stainless-steel-alloy", amount = 250 }
   )
   bobmods.lib.recipe.add_ingredient(
     "bob-vehicle-fission-cell-equipment-3",
-    { type = "item", name = "bob-tungsten-plate", amount = 150 }
+    { type = "item", name = "bob-stainless-steel-alloy", amount = 150 }
   )
   bobmods.lib.tech.add_prerequisite("bob-vehicle-fission-reactor-equipment-3", "bob-tungsten-processing")
   bobmods.lib.tech.add_prerequisite("bob-vehicle-fission-cell-equipment-3", "bob-tungsten-processing")
   bobmods.lib.recipe.add_ingredient(
     "bob-vehicle-big-turret-equipment-2",
-    { type = "item", name = "bob-tungsten-plate", amount = 50 }
+    { type = "item", name = "bob-stainless-steel-alloy", amount = 50 }
+  )
+  bobmods.lib.tech.add_prerequisite("bob-vehicle-big-turret-equipment-2", "bob-tungsten-processing")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.remove_ingredient("bob-vehicle-fission-reactor-equipment-3", "low-density-structure")
+  bobmods.lib.recipe.remove_ingredient("bob-vehicle-fission-cell-equipment-3", "low-density-structure")
+  bobmods.lib.tech.remove_prerequisite("bob-vehicle-fission-reactor-equipment-3", "low-density-structure")
+  bobmods.lib.tech.remove_prerequisite("bob-vehicle-fission-cell-equipment-3", "low-density-structure")
+  bobmods.lib.recipe.add_ingredient(
+    "bob-vehicle-fission-reactor-equipment-3",
+    { type = "item", name = "tungsten-plate", amount = 250 }
+  )
+  bobmods.lib.recipe.add_ingredient(
+    "bob-vehicle-fission-cell-equipment-3",
+    { type = "item", name = "tungsten-plate", amount = 150 }
+  )
+  bobmods.lib.tech.add_prerequisite("bob-vehicle-fission-reactor-equipment-3", "bob-tungsten-processing")
+  bobmods.lib.tech.add_prerequisite("bob-vehicle-fission-cell-equipment-3", "bob-tungsten-processing")
+  bobmods.lib.recipe.add_ingredient(
+    "bob-vehicle-big-turret-equipment-2",
+    { type = "item", name = "tungsten-plate", amount = 50 }
   )
   bobmods.lib.tech.add_prerequisite("bob-vehicle-big-turret-equipment-2", "bob-tungsten-processing")
 end
 
-if data.raw.item["bob-tungsten-carbide"] then
+if data.raw.item["tungsten-carbide"] then
   bobmods.lib.recipe.add_ingredient(
     "bob-vehicle-fission-reactor-equipment-4",
-    { type = "item", name = "bob-tungsten-carbide", amount = 80 }
+    { type = "item", name = "tungsten-carbide", amount = 80 }
   )
   bobmods.lib.tech.add_prerequisite("bob-vehicle-fission-reactor-equipment-4", "bob-tungsten-alloy-processing")
   bobmods.lib.recipe.add_ingredient(
     "bob-vehicle-fission-cell-equipment-4",
-    { type = "item", name = "bob-tungsten-carbide", amount = 40 }
+    { type = "item", name = "tungsten-carbide", amount = 40 }
   )
   bobmods.lib.tech.add_prerequisite("bob-vehicle-fission-cell-equipment-4", "bob-tungsten-alloy-processing")
 end
diff --git a/bobwarfare/prototypes/armor-updates.lua b/bobwarfare/prototypes/armor-updates.lua
index b315c1fc6..112d4481f 100644
--- a/bobwarfare/prototypes/armor-updates.lua
+++ b/bobwarfare/prototypes/armor-updates.lua
@@ -46,7 +46,7 @@ if data.raw.item["bob-silicon-nitride"] then
   bobmods.lib.tech.add_prerequisite("bob-power-armor-4", "bob-ceramics")
 end
 
-if data.raw.item["bob-tungsten-carbide"] then
+if data.raw.item["tungsten-carbide"] then
   if data.raw.item["bob-mech-armor-plate"] then
     bobmods.lib.recipe.remove_ingredient("bob-power-armor-mk5", "steel-plate")
     bobmods.lib.recipe.add_ingredient(
@@ -55,7 +55,7 @@ if data.raw.item["bob-tungsten-carbide"] then
     )
     bobmods.lib.tech.add_prerequisite("bob-power-armor-5", "bob-tankotron")
   else
-    bobmods.lib.recipe.replace_ingredient("bob-power-armor-mk5", "steel-plate", "bob-tungsten-carbide")
+    bobmods.lib.recipe.replace_ingredient("bob-power-armor-mk5", "steel-plate", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("bob-power-armor-5", "bob-tungsten-alloy-processing")
   end
 end
diff --git a/bobwarfare/prototypes/recipe/recipe-updates.lua b/bobwarfare/prototypes/recipe/recipe-updates.lua
index 665d6ea54..a22265bfa 100644
--- a/bobwarfare/prototypes/recipe/recipe-updates.lua
+++ b/bobwarfare/prototypes/recipe/recipe-updates.lua
@@ -42,8 +42,11 @@ if data.raw.item["bob-lead-plate"] then
   bobmods.lib.recipe.replace_ingredient("bob-shot", "iron-plate", "bob-lead-plate")
 end
 
-if data.raw.item["bob-tungsten-plate"] then
-  bobmods.lib.recipe.add_ingredient("bob-plasma-turret-2", { type = "item", name = "bob-tungsten-plate", amount = 50 })
+if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+  bobmods.lib.recipe.add_ingredient("bob-plasma-turret-2", { type = "item", name = "bob-stainless-steel-alloy", amount = 50 })
+  bobmods.lib.tech.add_prerequisite("bob-plasma-turrets-2", "bob-tungsten-processing")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.add_ingredient("bob-plasma-turret-2", { type = "item", name = "tungsten-plate", amount = 50 })
   bobmods.lib.tech.add_prerequisite("bob-plasma-turrets-2", "bob-tungsten-processing")
 end
 
@@ -166,8 +169,6 @@ if data.raw.item["bob-titanium-plate"] then
   bobmods.lib.tech.add_prerequisite("bob-laser-turrets-4", "bob-titanium-processing")
   bobmods.lib.recipe.replace_ingredient("bob-tank-2", "steel-plate", "bob-titanium-plate")
   bobmods.lib.tech.add_prerequisite("bob-tanks-2", "bob-titanium-processing")
-  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-2", "steel-plate", "bob-titanium-plate")
-  bobmods.lib.tech.add_prerequisite("bob-artillery-turret-2", "bob-titanium-processing")
 
   bobmods.lib.recipe.remove_ingredient("bob-plasma-turret-2", "steel-plate")
   bobmods.lib.recipe.add_ingredient("bob-plasma-turret-2", { type = "item", name = "bob-titanium-plate", amount = 75 })
@@ -178,16 +179,27 @@ if data.raw.item["bob-titanium-gear-wheel"] then
   bobmods.lib.recipe.replace_ingredient("bob-radar-4", "iron-gear-wheel", "bob-titanium-gear-wheel")
   bobmods.lib.recipe.replace_ingredient("bob-gun-turret-4", "iron-gear-wheel", "bob-titanium-gear-wheel")
   bobmods.lib.recipe.replace_ingredient("bob-sniper-turret-3", "iron-gear-wheel", "bob-titanium-gear-wheel")
-  bobmods.lib.recipe.replace_ingredient("bob-tank-2", "iron-gear-wheel", "bob-titanium-gear-wheel")
-  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-2", "iron-gear-wheel", "bob-titanium-gear-wheel")
 end
 
 if data.raw.item["bob-titanium-bearing"] then
   bobmods.lib.recipe.add_ingredient("bob-radar-4", { type = "item", name = "bob-titanium-bearing", amount = 5 })
   bobmods.lib.recipe.add_ingredient("bob-gun-turret-4", { type = "item", name = "bob-titanium-bearing", amount = 10 })
-  bobmods.lib.recipe.add_ingredient("bob-tank-2", { type = "item", name = "bob-titanium-bearing", amount = 15 })
 end
 
+if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-2", "steel-plate", "bob-stainless-steel-alloy")
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+  bobmods.lib.tech.add_prerequisite("bob-artillery-turret-2", "bob-tungsten-processing")
+  bobmods.lib.recipe.add_ingredient("bob-tank-2", { type = "item", name = "bob-stainless-steel-bearing", amount = 15 })
+  bobmods.lib.recipe.replace_ingredient("bob-tank-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+  bobmods.lib.tech.add_prerequisite("bob-tanks-2", "bob-tungsten-processing")
+elseif data.raw.item["bob-titanium-plate"] then
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-2", "steel-plate", "bob-titanium-plate")
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-2", "iron-gear-wheel", "bob-titanium-gear-wheel")
+  bobmods.lib.tech.add_prerequisite("bob-artillery-turret-2", "bob-titanium-processing")
+  bobmods.lib.recipe.add_ingredient("bob-tank-2", { type = "item", name = "bob-titanium-bearing", amount = 15 })
+  bobmods.lib.recipe.replace_ingredient("bob-tank-2", "iron-gear-wheel", "bob-titanium-gear-wheel")
+end
 if data.raw.item["bob-silicon-nitride"] then
   bobmods.lib.recipe.replace_ingredient("bob-tank-3", "plastic-bar", "bob-silicon-nitride")
   bobmods.lib.tech.add_prerequisite("bob-tanks-3", "bob-ceramics")
@@ -215,10 +227,10 @@ if data.raw.item["bob-copper-tungsten-alloy"] then
   )
 end
 
-if data.raw.item["bob-tungsten-carbide"] then
-  bobmods.lib.recipe.replace_ingredient("bob-tank-3", "steel-plate", "bob-tungsten-carbide")
+if data.raw.item["tungsten-carbide"] then
+  bobmods.lib.recipe.replace_ingredient("bob-tank-3", "steel-plate", "tungsten-carbide")
   bobmods.lib.tech.add_prerequisite("bob-tanks-3", "bob-tungsten-alloy-processing")
-  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-3", "concrete", "bob-tungsten-carbide")
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-turret-3", "concrete", "tungsten-carbide")
   bobmods.lib.tech.add_prerequisite("bob-artillery-turret-3", "bob-tungsten-alloy-processing")
 end
 
@@ -436,11 +448,15 @@ if data.raw.item["bob-alien-blue-alloy"] then
   bobmods.lib.recipe.replace_ingredient("bob-ap-bullet-projectile", "steel-plate", "bob-alien-blue-alloy")
   bobmods.lib.recipe.replace_ingredient("bob-shotgun-ap-shell", "steel-plate", "bob-alien-blue-alloy")
   bobmods.lib.recipe.replace_ingredient("bob-piercing-rocket-warhead", "iron-plate", "bob-alien-blue-alloy")
-elseif data.raw.item["bob-tungsten-plate"] then
-  bobmods.lib.recipe.replace_ingredient("bob-shotgun-ap-shell", "steel-plate", "bob-tungsten-plate")
-  bobmods.lib.recipe.replace_ingredient("bob-ap-bullet-projectile", "steel-plate", "bob-tungsten-plate")
-  bobmods.lib.recipe.replace_ingredient("bob-piercing-rocket-warhead", "steel-plate", "bob-tungsten-plate")
-  bobmods.lib.tech.add_prerequisite("bob-piercing-rocket", "bob-tungsten-processing")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.replace_ingredient("bob-shotgun-ap-shell", "steel-plate", "tungsten-plate")
+  bobmods.lib.recipe.replace_ingredient("bob-ap-bullet-projectile", "steel-plate", "tungsten-plate")
+  bobmods.lib.recipe.replace_ingredient("bob-piercing-rocket-warhead", "steel-plate", "tungsten-plate")
+  if not mods["space-age"] then
+    bobmods.lib.tech.add_prerequisite("bob-piercing-rocket", "bob-tungsten-processing")
+  else
+    bobmods.lib.tech.add_prerequisite("bob-piercing-rocket", "metallurgic-science-pack")
+  end
 end
 
 if data.raw.item["bob-alien-orange-alloy"] then
@@ -451,9 +467,11 @@ elseif data.raw.item["bob-gold-plate"] then
   bobmods.lib.recipe.replace_ingredient("bob-electric-bullet-projectile", "steel-plate", "bob-gold-plate")
   bobmods.lib.recipe.replace_ingredient("bob-shotgun-electric-shell", "copper-plate", "bob-gold-plate")
   bobmods.lib.recipe.replace_ingredient("bob-electric-rocket-warhead", "copper-plate", "bob-gold-plate")
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-electric-rocket-warhead", "steel-plate", "bob-tungsten-plate")
+  bobmods.lib.recipe.replace_ingredient("bob-electric-rocket-warhead", "steel-plate", "tungsten-plate")
+  if not mods["space-age"] then
     bobmods.lib.tech.add_prerequisite("bob-electric-rocket", "bob-tungsten-processing")
+  else
+    bobmods.lib.tech.add_prerequisite("bob-electric-rocket", "metallurgic-science-pack")
   end
 end
 
@@ -461,9 +479,13 @@ if data.raw.fluid["bob-alien-acid"] then
   bobmods.lib.recipe.replace_ingredient("bob-acid-bullet-projectile", "sulfuric-acid", "bob-alien-acid")
   bobmods.lib.recipe.replace_ingredient("bob-shotgun-acid-shell", "sulfuric-acid", "bob-alien-acid")
   bobmods.lib.recipe.replace_ingredient("bob-acid-rocket-warhead", "sulfuric-acid", "bob-alien-acid")
-elseif data.raw.item["bob-tungsten-plate"] then
-  bobmods.lib.recipe.replace_ingredient("bob-acid-rocket-warhead", "steel-plate", "bob-tungsten-plate")
-  bobmods.lib.tech.add_prerequisite("bob-acid-rocket", "bob-tungsten-processing")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.replace_ingredient("bob-acid-rocket-warhead", "steel-plate", "tungsten-plate")
+  if not mods["space-age"] then
+    bobmods.lib.tech.add_prerequisite("bob-acid-rocket", "bob-tungsten-processing")
+  else
+    bobmods.lib.tech.add_prerequisite("bob-acid-rocket", "metallurgic-science-pack")
+  end
 end
 
 if data.raw.fluid["bob-alien-explosive"] then
@@ -483,9 +505,13 @@ if data.raw.fluid["bob-alien-explosive"] then
   )
   data.raw.recipe["bob-explosive-artillery-shell"].category = "crafting-with-fluid"
   bobmods.lib.tech.add_prerequisite("bob-explosive-artillery-shells", "bob-alien-yellow-research")
-elseif data.raw.item["bob-tungsten-plate"] then
-  bobmods.lib.recipe.replace_ingredient("bob-explosive-rocket-warhead", "steel-plate", "bob-tungsten-plate")
-  bobmods.lib.tech.add_prerequisite("bob-explosive-rocket", "bob-tungsten-processing")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.replace_ingredient("bob-explosive-rocket-warhead", "steel-plate", "tungsten-plate")
+  if not mods["space-age"] then
+    bobmods.lib.tech.add_prerequisite("bob-explosive-rocket", "bob-tungsten-processing")
+  else
+    bobmods.lib.tech.add_prerequisite("bob-explosive-rocket", "metallurgic-science-pack")
+  end
 end
 
 if data.raw.fluid["bob-alien-poison"] then
@@ -501,9 +527,13 @@ if data.raw.fluid["bob-alien-poison"] then
   bobmods.lib.recipe.replace_ingredient("bob-poison-artillery-shell", "coal", "bob-alien-poison")
   data.raw.recipe["bob-poison-artillery-shell"].category = "crafting-with-fluid"
   bobmods.lib.tech.add_prerequisite("bob-poison-artillery-shells", "bob-alien-green-research")
-elseif data.raw.item["bob-tungsten-plate"] then
-  bobmods.lib.recipe.replace_ingredient("bob-poison-rocket-warhead", "steel-plate", "bob-tungsten-plate")
-  bobmods.lib.tech.add_prerequisite("bob-poison-rocket", "bob-tungsten-processing")
+elseif data.raw.item["tungsten-plate"] then
+  bobmods.lib.recipe.replace_ingredient("bob-poison-rocket-warhead", "steel-plate", "tungsten-plate")
+  if not mods["space-age"] then
+    bobmods.lib.tech.add_prerequisite("bob-poison-rocket", "bob-tungsten-processing")
+  else
+    bobmods.lib.tech.add_prerequisite("bob-poison-rocket", "metallurgic-science-pack")
+  end
 end
 
 if data.raw.fluid["bob-alien-fire"] then
@@ -535,9 +565,11 @@ if data.raw.fluid["bob-alien-fire"] then
   bobmods.lib.tech.add_prerequisite("bob-fire-artillery-shells", "bob-alien-red-research")
 elseif data.raw.fluid["bob-liquid-fuel"] then
   bobmods.lib.recipe.replace_ingredient("bob-fire-artillery-shell", "light-oil", "bob-liquid-fuel")
-  if data.raw.item["bob-tungsten-plate"] then
-    bobmods.lib.recipe.replace_ingredient("bob-flame-rocket-warhead", "steel-plate", "bob-tungsten-plate")
+  bobmods.lib.recipe.replace_ingredient("bob-flame-rocket-warhead", "steel-plate", "tungsten-plate")
+  if not mods["space-age"] then
     bobmods.lib.tech.add_prerequisite("bob-flame-rocket", "bob-tungsten-processing")
+  else
+    bobmods.lib.tech.add_prerequisite("bob-flame-rocket", "metallurgic-science-pack")
   end
 end
 
diff --git a/bobwarfare/prototypes/spidertron-updates.lua b/bobwarfare/prototypes/spidertron-updates.lua
index a6ed04e5c..740eee2fc 100644
--- a/bobwarfare/prototypes/spidertron-updates.lua
+++ b/bobwarfare/prototypes/spidertron-updates.lua
@@ -306,8 +306,8 @@ if settings.startup["bobmods-warfare-spidertron-overhaul"].value == true then
     bobmods.lib.recipe.replace_ingredient("bob-mech-leg", "copper-cable", "bob-insulated-cable")
   end
 
-  if data.raw.item["bob-tungsten-carbide"] then
-    bobmods.lib.recipe.replace_ingredient("bob-mech-armor-plate", "steel-plate", "bob-tungsten-carbide")
+  if data.raw.item["tungsten-carbide"] then
+    bobmods.lib.recipe.replace_ingredient("bob-mech-armor-plate", "steel-plate", "tungsten-carbide")
     bobmods.lib.tech.add_prerequisite("bob-tankotron", "bob-tungsten-alloy-processing")
   end
 
diff --git a/bobwarfare/prototypes/train-updates.lua b/bobwarfare/prototypes/train-updates.lua
index 4d557a827..36bab754d 100644
--- a/bobwarfare/prototypes/train-updates.lua
+++ b/bobwarfare/prototypes/train-updates.lua
@@ -3,12 +3,20 @@ if data.raw.item["bob-invar-alloy"] then
   bobmods.lib.tech.add_prerequisite("artillery", "bob-invar-processing")
 end
 
-if data.raw.item["bob-titanium-plate"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-alloy"] then
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "steel-plate", "bob-stainless-steel-alloy")
+  bobmods.lib.tech.add_prerequisite("bob-artillery-wagon-2", "bob-tungsten-processing")
+elseif data.raw.item["bob-titanium-plate"] then
   bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "steel-plate", "bob-titanium-plate")
   bobmods.lib.tech.add_prerequisite("bob-artillery-wagon-2", "bob-titanium-processing")
 end
 
-if data.raw.item["bob-titanium-bearing"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-bearing"] then
+  bobmods.lib.recipe.add_ingredient(
+    "bob-artillery-wagon-2",
+    { type = "item", name = "bob-stainless-steel-bearing", amount = 8 }
+  )
+elseif data.raw.item["bob-titanium-bearing"] then
   bobmods.lib.recipe.add_ingredient(
     "bob-artillery-wagon-2",
     { type = "item", name = "bob-titanium-bearing", amount = 8 }
@@ -19,22 +27,26 @@ else
   bobmods.lib.recipe.add_ingredient("bob-artillery-wagon-2", { type = "item", name = "iron-gear-wheel", amount = 8 })
 end
 
-if data.raw.item["bob-titanium-gear-wheel"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-gear-wheel"] then
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "iron-gear-wheel", "bob-stainless-steel-gear-wheel")
+elseif data.raw.item["bob-titanium-gear-wheel"] then
   bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "iron-gear-wheel", "bob-titanium-gear-wheel")
 elseif data.raw.item["bob-steel-gear-wheel"] then
   bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "iron-gear-wheel", "bob-steel-gear-wheel")
 end
 
-if data.raw.item["bob-titanium-pipe"] then
+if mods["space-age"] and data.raw.item["bob-stainless-steel-pipe"] then
+  bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "pipe", "bob-stainless-steel-pipe")
+elseif data.raw.item["bob-titanium-pipe"] then
   bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "pipe", "bob-titanium-pipe")
 elseif data.raw.item["bob-steel-pipe"] then
   bobmods.lib.recipe.replace_ingredient("bob-artillery-wagon-2", "pipe", "bob-steel-pipe")
 end
 
-if data.raw.item["bob-tungsten-carbide"] then
+if data.raw.item["tungsten-carbide"] then
   bobmods.lib.recipe.add_ingredient(
     "bob-artillery-wagon-3",
-    { type = "item", name = "bob-tungsten-carbide", amount = 10 }
+    { type = "item", name = "tungsten-carbide", amount = 10 }
   )
   bobmods.lib.tech.add_prerequisite("bob-artillery-wagon-3", "bob-tungsten-alloy-processing")
 else