... is iron alloy composed of iron and silicon. Ferrosilicon is silicon iron alloys that made of coke, steel ... scrap, quartz (or silica) by electric furnace. Silicon and oxygen is easy to combine in silica, so ... used in low-alloy structural steel, spring steel, bearing steel, heat-resistant steel and electrical silicon steel. Ferrosilicon ... be optimized by the customers’ requirements Ferro silicon 45%