... and mainly used in steelmaking, cast steel, moulding. etc IntroductionThe ferro silicon powder takes the coke, scrap steel, and silica as ... and mainly used in steelmaking, cast steel, moulding. etc IntroductionThe ferro silicon powder takes the coke, scrap steel, and silica as ... period of steelmaking, cast steel, moulding,etc .The standards of the ferro silicon powder are usually less than 2mm,which ...