... ,Fe,Al,Ca,S.P,C 2.Application:steel-making,iron casting 3.high quality,low price 4.Ningxia ... by . Because of silicon and oxygen are easily compound into SIO2,so the ferrosilicon often used as deoxidizer in steelmaking ... .Application:Ferrosilicon is often used as deoxidizer in steel-making.Ferrosilicon also can be used as alloy elements join ... /0086-15998488207 Ferro silicon72%&75% used for steel-making