... .composiyion:Si,Fe,Al,Ca,S.P,C 2.Application:steel-making,iron casting 3.high quality,low price 4.Ningxia ... in steelmaking.Application:Ferrosilicon is often used as deoxidizer in steel-making.Ferrosilicon also can be used as alloy elements join ... widely used in low alloy steel,non-ferrous metal,bearing steel,heat-resistant steels and electrician silicon-steel.Ferrosilicon commpmly used as a ...