Chemical composition: Fe,Si,Al,Ca,Mn,Cr,P,S,C Ferrosilicon 75 72 70 65 60 45 Size: lump&powder Pack:1t/big bag Factory Price The useage 1. Used as deoxidizer in steel-making.2. Used as alloy elements join agent, which is widely used in low alloy steel, non-ferrous metal, bearing steel, heat-resistant steels and electrician silicon-steel.3. Used as a reductant in ferroalloy production and chemical ...