1.Chemical composition: Si(30%-75%),Fe,Ai,Ca 2.Size: according to your ... , granule , powder , briquetting 2. Size: 0mm-3mm 3. Chemical composion: Si(30%-75%),Fe,Ai,Ca,Mn,Cr,C,P,S4 ... steel, nonferrous metal, bearing steel, heat-resistant steels and electrician silicon-steel.3. Ferrosilicon commonly used as a reductant in ferroalloy ...