Ferro Silicon high quality 1.compositions:Fe,Si,Ca,Mn,Cr,P, ... S,C 2.meterial:FeSi 3.application:steel-making,iron casting Ferro Silicon ... kind of ferroalloy which is composed of ferrum and silicon. Ferro silicon used coke, quartz (or silica) as raw ... metal,bearing steel,heat-resistant steels and electrician silicon-steel.Ferrosilicon commpmly used as a reductant in ...