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Ferrosilicon is an alloy composed of iron and silicon, with silicon content typically ranging from 15% to 90%. It is primarily used in the production of ferrosilicon alloys and is widely applied in the steel and metallurgical industries. Manufacturing process: Ferrosilicon is produced by reducing sand or silicon stone with coke in the presence of iron. Low-silicon ferrosilicon (approximately 15% silicon) is typically produced in blast furnaces, while high-silicon ferrosilicon is produced in electric arc furnaces. Ferrosilicon products on the market typically come in grades of 15%, 45%, 75%, and 90% silicon. The remaining portion consists of iron and small amounts of aluminum, calcium, and other elements.