A foundry's a factory which produces metal castings from either ferrous or non-ferrous alloys. Metals are turned into parts by melting the metal into a liquid, pouring the metal in a mold, and then removing the mold material or casting. The most common metal alloys processed are aluminum and cast iron. However, other metals, such as steel, magnesium, copper, tin, and zinc, can be processed. Process In the casting process a pattern's made in the shape of the desired part. This pattern's made ou… (More on Foundry)