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Ferro Silicon is a kind of ferroalloy which is composed of ferrum and silicon. Ferro Silicon used coke, quartz (or silica) as raw material and using electric furnace to made by. Because of silicon and oxygen are easily compound into SiO2, so the ferrosilicon often used as deoxidizer insteelmaking. At the same time, there also have a advantage to improve the temperature of the molten steel as there are large amount of heat energy are released in the process of SiO2 generation. What’s more, ferrosilicon also can be used as alloy elements join agent, which is widely used in low alloy steel, non-ferrous metal, bearing steel, heat-resistant steels and electrician silicon-steel. Ferrosilicon commonly used as a reductant in ferroalloy production and chemical industry.In iron industry it oftenused as inoculant and nodulizer and deoxidize. Fe-Si alloy (Ferro Silicon alloy)BrandChemical Composition (%)SiAlCaPSCFeMAXFeSi75-A74.0-80.01.510.0350.020.2BalanceFeSi75-B72.0-80.01.510.040.020.2BalanceFeSi72721.510.040.020.2BalanceFeSi70701.510.040.020.2BalanceFeSi6565.0-72.0210.040.020.2BalanceFeSi4540.0-47.0220.040.020.2Balance