Introduction to ferrosilicon 72

Ferrosilicon is an important raw material in the field of metallurgical cast iron, there are many kinds of ferrosilicon, ferrosilicon 72 is a type of ferrosilicon, the classification of ferrosilicon is divided into 21 grades according to the content of silicon and its impurities.The main raw material for smelting ferrosilicon is silica ore (quartz, silica). The SiO2 in the ore is generally higher than 96%. FeSi72 is a common grade of ferrosilicon.

Ferrosilicon 72 is coke, steel chips, quartz (or silica) as raw materials, made of electric furnace smelting.In traditional smelting of ferrosilicon, silicon is reduced from silica containing SiO2.Smelting ferrosilicon mostly use metallurgical coke as reducing agent, steel is the regulator of ferrosilicon.Its main use performance is an excellent deoxidizer, used for precipitation deoxidization and diffusion deoxidization in steelmaking, can effectively improve the strength of steel hardness and elasticity, improve the magnetic permeability of steel, reduce the hysteresis loss of transformer steel.

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