An ingot is a piece of relatively pure material, usually metal, that is cast into a shape suitable for further processing. In steelmaking, it is the first step among semi-finished casting products aluminium ingot lead ingot zinc ingot copper ingot tin ingot cadmium ingot brass ingot magnesium ingot bismuth ingot monocrystalline silicon ingot nickel ingot steel ingot silicon ingot tungsten ingot titanium ingot iridium ingot osmium ingot gold ingot zirconium ingot origins: indonesia,australia,iran,malaysia,turkey,china,singapore