1.Compositions:Fe,Si,Al,Ca,Mn,Cr,P,S,C 2.Type:FeSi75-A,FeSi75-B,etc 3.To precipitate ... the manufacture of silicon steel for electro motors and cores, as well as coatings used during arc welding. One useful by-product ... . LOW ALFESI75 SI(%MIN) AL(%MAX) P(%MAX) S(%MAX) C(%MAX) 75 1.0 0.04 0.02 0.1 ... .03 0.02 0.005 0.015 ferro silicon lump as deoxidizer for steel making