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Ferrosilicon is used as a source of silicon to reduce metals from their oxides and to deoxidize steel and other ferro alloys. Moreover, Ferrosilicon also can be used as an alloy element joining agent in low alloy structural steel, spring steel, bearing steel, heat-resistant steel and electrical silicon steel.

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Deoxidizer and alloy agent in steel making industry To obtain qualified chemical composition and guarantee the quality of steel, deoxidizing must be conducted in the final stages of steel making.

Inoculant and nodulizer in casting iron industry. Ferrosilicon is an important inoculant and nodulizer in ductile iron production. Because adding a certain amount ot silicon in casting iron. can prevent steel form carbide and promote precipitation and nodulizing of graphite.