... #, 72# ,65# ,45# or others as buyer's option2. Excellent deoxidizer 3. Used as deoxidizer in steel-making and steel industry and ... . Ferrosilicon also can be used as alloy elements join agent, which is widely used in low alloy steel, non-ferrous metal ... steels and electrician silicon-steel.5. Ferrosilicon commonly used as a reductant in ferroalloy production and chemical industry6. Composition:Si ,Al, ...