1.Chemical composition: Si(30%-75%),Fe,Ai,Ca 2.Size: according to your needs 3.Supply: ... 2. Size: 0mm-3mm 3. Chemical composion: Si(30%-75%),Fe,Ai,Ca,Mn,Cr,C,P,S4. To precipitate and ... in steel making.5. Factory price. We are a manufactory of produce the ferrosilicon alloy. Application: Mainly as deoxidizer, inoculant, electrode ...