1.Compositions:Fe,Si,Al,Ca,Mn,Cr,P,S,C 2.Type:FeSi75- ... in the production of other alloys include the manufacture of silicon steel for electro motors and cores, as well as coatings used ... concrete mixes to improve compressive and bonding strength . LOW ALFESI75 SI(%MIN) AL(%MAX) P(%MAX) S(%MAX) C(%MAX) 75 ... .02 75 0.03 0.02 0.005 0.015 ferro silicon lump as deoxidizer for steel making