diff --git a/src/tconstruct/common/TContent.java b/src/tconstruct/common/TContent.java
index 09bcb674683..71a0d3f5443 100644
--- a/src/tconstruct/common/TContent.java
+++ b/src/tconstruct/common/TContent.java
@@ -1257,7 +1257,7 @@ private void addRecipesForCraftingTable ()
         GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 3), patBlock, '#', new ItemStack(materials, 1, 9)); // Copper
         GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 5), patBlock, '#', new ItemStack(materials, 1, 10)); // Tin
         GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 6), patBlock, '#', new ItemStack(materials, 1, 11)); // Aluminum
-        GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 6), patBlock, '#', new ItemStack(materials, 1, 12)); // Aluminum
+        //GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 6), patBlock, '#', new ItemStack(materials, 1, 12)); // Aluminum
         GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 4), patBlock, '#', new ItemStack(materials, 1, 13)); // Bronze
         GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 7), patBlock, '#', new ItemStack(materials, 1, 14)); // AluBrass
         GameRegistry.addRecipe(new ItemStack(metalBlock, 1, 0), patBlock, '#', new ItemStack(materials, 1, 3)); // Cobalt
@@ -1295,7 +1295,7 @@ private void addRecipesForCraftingTable ()
         GameRegistry.addRecipe(new ItemStack(materials, 9, 20), "m", 'm', new ItemStack(materials, 1, 9)); //Copper
         GameRegistry.addRecipe(new ItemStack(materials, 9, 21), "m", 'm', new ItemStack(materials, 1, 10)); //Tin
         GameRegistry.addRecipe(new ItemStack(materials, 9, 22), "m", 'm', new ItemStack(materials, 1, 11)); //Aluminum
-        GameRegistry.addRecipe(new ItemStack(materials, 9, 22), "m", 'm', new ItemStack(materials, 1, 12)); //Aluminum
+        //GameRegistry.addRecipe(new ItemStack(materials, 9, 22), "m", 'm', new ItemStack(materials, 1, 12)); //Aluminum
         GameRegistry.addRecipe(new ItemStack(materials, 9, 24), "m", 'm', new ItemStack(materials, 1, 14)); //Aluminum Brass
         GameRegistry.addRecipe(new ItemStack(materials, 9, 27), "m", 'm', new ItemStack(materials, 1, 18)); //Obsidian
         GameRegistry.addRecipe(new ItemStack(materials, 9, 28), "m", 'm', new ItemStack(materials, 1, 3)); //Cobalt
@@ -1374,7 +1374,7 @@ private void addRecipesForCraftingTable ()
         //Accessories
         GameRegistry.addRecipe(new ShapedOreRecipe(new ItemStack(heartCanister, 1, 0), "##", "##", '#', "ingotAluminum"));
         GameRegistry.addRecipe(new ShapedOreRecipe(new ItemStack(heartCanister, 1, 0), "##", "##", '#', "ingotAluminium"));
-        GameRegistry.addRecipe(new ShapedOreRecipe(new ItemStack(heartCanister, 1, 0), "##", "##", '#', "ingotNaturalAluminum"));
+        //GameRegistry.addRecipe(new ShapedOreRecipe(new ItemStack(heartCanister, 1, 0), "##", "##", '#', "ingotNaturalAluminum"));
         GameRegistry.addRecipe(new ShapedOreRecipe(new ItemStack(heartCanister, 1, 0), " # ", "#B#", " # ", '#', "ingotTin", 'B', Item.bone));
         GameRegistry.addRecipe(new ItemStack(diamondApple), " d ", "d#d", " d ", 'd', new ItemStack(Item.diamond), '#', new ItemStack(Item.appleRed));
         GameRegistry.addShapelessRecipe(new ItemStack(heartCanister, 1, 2), new ItemStack(diamondApple), new ItemStack(materials, 1, 8), new ItemStack(heartCanister, 1, 0), new ItemStack(
@@ -1474,7 +1474,7 @@ private void addRecipesForFurnace ()
         //FurnaceRecipes.smelting().addSmelting(oreSlag.blockID, 2, new ItemStack(materials, 1, 4), 3f);
         FurnaceRecipes.smelting().addSmelting(oreSlag.blockID, 3, new ItemStack(materials, 1, 9), 0.5f);
         FurnaceRecipes.smelting().addSmelting(oreSlag.blockID, 4, new ItemStack(materials, 1, 10), 0.5f);
-        FurnaceRecipes.smelting().addSmelting(oreSlag.blockID, 5, new ItemStack(materials, 1, 12), 0.5f);
+        FurnaceRecipes.smelting().addSmelting(oreSlag.blockID, 5, new ItemStack(materials, 1, 11), 0.5f);
 
         FurnaceRecipes.smelting().addSmelting(oreBerries.itemID, 0, new ItemStack(materials, 1, 19), 0.2f);
         FurnaceRecipes.smelting().addSmelting(oreBerries.itemID, 1, new ItemStack(Item.goldNugget), 0.2f);
@@ -1487,7 +1487,7 @@ private void addRecipesForFurnace ()
         FurnaceRecipes.smelting().addSmelting(oreGravel.blockID, 1, new ItemStack(Item.ingotGold), 0.2f);
         FurnaceRecipes.smelting().addSmelting(oreGravel.blockID, 2, new ItemStack(materials, 1, 9), 0.2f);
         FurnaceRecipes.smelting().addSmelting(oreGravel.blockID, 3, new ItemStack(materials, 1, 10), 0.2f);
-        FurnaceRecipes.smelting().addSmelting(oreGravel.blockID, 4, new ItemStack(materials, 1, 12), 0.2f);
+        FurnaceRecipes.smelting().addSmelting(oreGravel.blockID, 4, new ItemStack(materials, 1, 11), 0.2f);
 
         FurnaceRecipes.smelting().addSmelting(speedBlock.blockID, 0, new ItemStack(speedBlock, 1, 2), 0.2f);
     }