... steel, heat-resistant steels and electrician silicon-steel.3. Ferrosilicon commonly used as a reductant in ferroalloy production and chemical ... .02.01.50.40.50.040.20.02Fe6565.0-72.02.01.50.60.50.040.20.02Fe4540.0 ... : "ferroalloy", "refractory materials", "steelmaking deoxidizer," "cast materials"1. Ferrosilicon products: FeSi alloy, silicon metal, ferromanganese, silicon barium, calcium silicon ...