Alloy furnace

The alloy furnace is used for mixing different metals and make alloys. No waste slag is produced in this process. Fuel in the alloy oven is coal or a buckets of lava.

Input/output
 * 7 iron ingots, 1 piece of coal, 1 tungsten ingot and 1 slot of fuel / 1 piece of steel
 * 6 copper ingots, 3 zinc ingots and 1 slot of fuel / 1 piece of brass
 * 7 copper ingots, 2 tin ingots and 1 slot of fuel / 1 piece of bronze
 * 3 indium ingots, 1 tin ingot and 1 slot of fuel / 1 piece of indium tin oxide
 * 1 zircon ingot (hafnium), 1 piece of steel, 1 vanadium or tantalum and 1 slot of fuel / 1 piece of high-strength steel