Ferroalloy is a product used as a deoxidizer during steelmaking. Ferroalloys, in a broad sense refers to deoxidizers and element additives during steelmaking. Add it to molten iron to make steel have certain characteristics or meet certain requirements. It is an intermediate alloy composed of iron and one or several elements, mainly used in iron and steel smelting. In the iron and steel industry, all intermediate alloys used in steel making, whether or not containing iron (such as silicon-calcium alloy), are generally called "Ferroalloys". Traditionally, some pure metal additives and oxide.