diff --git a/src/main/java/com/gregtechceu/gtceu/data/material/ElementMaterials.java b/src/main/java/com/gregtechceu/gtceu/data/material/ElementMaterials.java
index ceeb71af84..52bbaf68b2 100644
--- a/src/main/java/com/gregtechceu/gtceu/data/material/ElementMaterials.java
+++ b/src/main/java/com/gregtechceu/gtceu/data/material/ElementMaterials.java
@@ -205,7 +205,7 @@ public static void register() {
                 .ore()
                 .color(0xe77c56).secondaryColor(0xe4673e).iconSet(BRIGHT)
                 .appendFlags(EXT_METAL, MORTAR_GRINDABLE, GENERATE_SPRING, GENERATE_SPRING_SMALL, GENERATE_RING,
-                        GENERATE_FINE_WIRE)
+                        GENERATE_FINE_WIRE, GENERATE_ROTOR)
                 .element(GTElements.Cu)
                 .cableProperties(GTValues.V[2], 1, 2)
                 .fluidPipeProperties(1696, 6, true)
diff --git a/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/MetaTileEntityLoader.java b/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/MetaTileEntityLoader.java
index d1e81d904b..94854e42c2 100644
--- a/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/MetaTileEntityLoader.java
+++ b/src/main/java/com/gregtechceu/gtceu/data/recipe/misc/MetaTileEntityLoader.java
@@ -734,7 +734,7 @@ public static void init(RecipeOutput provider) {
                 GTMachines.STEEL_MULTIBLOCK_TANK.asStack(), " R ", "hCw", " R ", 'R',
                 new UnificationEntry(TagPrefix.ring, GTMaterials.Steel), 'C', GTBlocks.CASING_STEEL_SOLID.asStack());
         VanillaRecipeHelper.addShapedRecipe(provider, true, "wood_tank_valve", GTMachines.WOODEN_TANK_VALVE.asStack(),
-                " R ", "rCs", " O ", 'O', new UnificationEntry(TagPrefix.rotor, GTMaterials.Lead), 'R',
+                " R ", "rCs", " O ", 'O', new UnificationEntry(TagPrefix.rotor, GTMaterials.Copper), 'R',
                 new UnificationEntry(TagPrefix.ring, GTMaterials.Copper), 'C', GTBlocks.CASING_WOOD_WALL.asStack());
         VanillaRecipeHelper.addShapedRecipe(provider, true, "steel_tank_valve", GTMachines.STEEL_TANK_VALVE.asStack(),
                 " R ", "hCw", " O ", 'O', new UnificationEntry(TagPrefix.rotor, GTMaterials.Steel), 'R',