Ferrochrome is an iron alloy of chromium and iron. It is an important alloy additive in steelmaking. The lower the carbon content of ferrochrome, the more difficult treatment and smelting. Carbon content below 2% ferrochrome, suitable for smelting stainless steel, acid steel and other low carbon chromium steel. Iron chromium containing more than 4% carbon, commonly used for refining ball bearing steel and automotive parts steel, etc.