1.Type: FeSi75-A,FeSi75-B,etc 2.compositions: Fe,Ai,Si,Ca,Mn,Cr, ... Al,Ca,Mn,Cr,P,S,C Model Number: FeSi75-A,FeSi75-B, FeSi75-C,FeSi65,FeSi45, etc. 4. To precipitate ... and diffuse deoxidation in steel making.5. Factory price. We are a ... and diffuse deoxidation in steel making.Properties: We add a certain volume of silicon to steel to improve the strength ...