1.Ferro silicon is often used as deoxidizer in steel making. 2.Ferro silicon also can be used as alloy elements join agent,which is widely used in low alloy steel,non-ferrous metal,bearing steel,heat-resistant steels and electrician silicon steel. 3.Ferro silicon commonly used as a reductant in ferroalloy production and chemical industry. 4.In iron industry,ferro silicon often used as inoculant and nodulizer and deoxidizer.