diff --git a/lignumis/prototypes/content/steam-assembling-machine.lua b/lignumis/prototypes/content/steam-assembling-machine.lua
index 5425ee6..4e05845 100644
--- a/lignumis/prototypes/content/steam-assembling-machine.lua
+++ b/lignumis/prototypes/content/steam-assembling-machine.lua
@@ -1,6 +1,7 @@
 local item_sounds = require("__base__.prototypes.item_sounds")
 local pipecovers = require("prototypes/content/gold/pipecovers")
 local machinepipes = require("prototypes/content/gold/machinepipes")
+local Technology = require("__cf-lib__/data/Technology")
 
 local gfx = Lignumis.graphics .. "entity/steam-assembling-machine/"
 
@@ -90,6 +91,23 @@ data:extend({
         results = { { type = "item", name = "steam-assembling-machine", amount = 1 } },
         energy_required = 8
     },
+    {
+        type = "recipe",
+        name = "steam-assembling-machine-iron",
+        localised_name = { "entity-name.steam-assembling-machine" },
+        enabled = false,
+        icons = {
+            { icon = Lignumis.graphics .. "icons/steam-assembling-machine.png" },
+            { icon = "__base__/graphics/icons/iron-plate.png", scale = 0.25, shift = { 8, 8 } }
+        },
+        ingredients = {
+            { type = "item", name = "burner-assembling-machine", amount = 1 },
+            { type = "item", name = "pipe",                 amount = 5 }
+        },
+        results = { { type = "item", name = "steam-assembling-machine", amount = 1 } },
+        energy_required = 8,
+        auto_recycle = false
+    },
     {
         type = "technology",
         name = "steam-automation",
@@ -110,3 +128,5 @@ data:extend({
         ignore_tech_cost_multiplier = false
     }
 })
+
+Technology:new("iron-processing"):addRecipe("steam-assembling-machine-iron")
\ No newline at end of file
diff --git a/lignumis/prototypes/content/steam-inserters.lua b/lignumis/prototypes/content/steam-inserters.lua
index b88552b..b2f5d52 100644
--- a/lignumis/prototypes/content/steam-inserters.lua
+++ b/lignumis/prototypes/content/steam-inserters.lua
@@ -55,6 +55,11 @@ long_handed_inserter.icon_draw_specification = {
     render_layer = "entity-info-icon-above",
 }
 
+inserter_iron_icons = table.deepcopy(inserter.icons)
+table.insert(inserter_iron_icons, { icon = "__base__/graphics/icons/iron-plate.png", scale = 0.25, shift = { 8, 8 } })
+long_handed_inserter_iron_icons = table.deepcopy(long_handed_inserter.icons)
+table.insert(long_handed_inserter_iron_icons, { icon = "__base__/graphics/icons/iron-plate.png", scale = 0.25, shift = { 8, 8 } })
+
 data:extend({
     inserter,
     long_handed_inserter,
@@ -83,6 +88,20 @@ data:extend({
         },
         results = { { type = "item", name = "steam-inserter", amount = 1 } }
     },
+    {
+        type = "recipe",
+        name = "steam-inserter-iron",
+        localised_name = { "entity-name.steam-inserter" },
+        category = "crafting",
+        enabled = false,
+        icons = inserter_iron_icons,
+        ingredients = {
+            { type = "item", name = "pipe", amount = 2 },
+            { type = "item", name = "burner-inserter",   amount = 1 }
+        },
+        results = { { type = "item", name = "steam-inserter", amount = 1 } },
+        auto_recycle = false
+    },
     {
         type = "item",
         name = "steam-long-handed-inserter",
@@ -107,9 +126,27 @@ data:extend({
             { type = "item", name = "burner-long-handed-inserter",   amount = 1 }
         },
         results = { { type = "item", name = "steam-long-handed-inserter", amount = 1 } }
+    },
+    {
+        type = "recipe",
+        name = "steam-long-handed-inserter-iron",
+        localised_name = { "entity-name.steam-long-handed-inserter" },
+        category = "crafting",
+        enabled = false,
+        icons = long_handed_inserter_iron_icons,
+        ingredients = {
+            { type = "item", name = "pipe", amount = 2 },
+            { type = "item", name = "burner-long-handed-inserter",   amount = 1 }
+        },
+        results = { { type = "item", name = "steam-long-handed-inserter", amount = 1 } },
+        auto_recycle = false
     }
 })
 
 Technology:new("steam-automation")
     :addRecipe("steam-inserter")
-    :addRecipe("steam-long-handed-inserter")
\ No newline at end of file
+    :addRecipe("steam-long-handed-inserter")
+
+Technology:new("iron-processing")
+    :addRecipe("steam-inserter-iron")
+    :addRecipe("steam-long-handed-inserter-iron")
\ No newline at end of file