... steel making additive in metallurgy and foundry field 3303#,553#,441#,2202 Silicon metal Industrial silicon is also called ... high melting point,good heat resistance,high resistivity and superior oxidation resistance,it is called "industrial glutamate ... of it are applied in steel smelting furnace,kiln hood and kiln furniture etc.SpecificationBrand 553Fe0.5%max, ... Al0.5%max,C0.15%max silicon metal powder