Ferrosilicon Production

Iron Silicon Description

Ferrosilicon is a common additive in the steel smelting process. It has a good deoxidation effect in the steel smelting process. This is because ferrosilicon reacts with the oxygen in the molten steel to form silica, which floats on the surface of the molten steel, thereby achieving a Good deoxidation effect. The selection of ferrosilicon raw materials also has a great impact on the quality of ferrosilicon.

Specs	%Si(Min)	%Al(Max)	%P(Max)	%S(Max)	%C(Max)
FeSi75	75	0.1/0.5/1.0/1.5/2.0	0.04	0.02	0.2
FeSi72	72	1.5/2	0.04	0.02	0.2
FeSi70	70	1.5/2	0.04	0.02	0.2
FeSi65	65	1.5/2	0.04	0.02	0.2
FeSi60	60	1.5/2	0.05	0.03	0.3

 

We have Ferrosilicon Powder, Ferrosilicon 75, Ferro Silicon 65, Ferro Silicon 72, Ferro Silicon 70, Ferrosilicon 45, and other products.

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Fe Silicon Specification

 

How To Choose Raw Materials For Ferrosilicon?

The main use of ferrosilicon is as a deoxidizer and alloy material for steelmaking. Phosphorus ﹙P﹚ and sulfur ﹙S﹚ are impurities that have a great impact on the quality of steel. When ferrosilicon contains more phosphorus, it is easy to cause ferrosilicon to powder. Therefore, the phosphorus and sulfur content are required to be very low. Phosphorus exists in the form of phosphorus pentoxide (P2O5) in silica. During smelting, most of the phosphorus pentoxide is reduced by carbon and enters ferrosilicon. Therefore, it is required that phosphorus pentoxide in silica should not exceed 0.02%. The sulfur content in silica is because sulfur (S) and silicon (Si) form silicon sulfide, such as SiS, SiS2, and other compounds during the smelting process. These compounds are easy to volatilize at high temperatures, so there is no requirement for the sulfur content of silica.

 

The content of calcium oxide (CaO) and magnesium oxide (MgO) in silica is relatively high, which will increase the amount of slag during smelting and corrode the taphole. Therefore, the sum of the calcium oxide and magnesium oxide content in the silica is required to be less than 1%. The selection principle of ferrosilicon raw materials is that they contain few impurities. If the impurity content is too high, it will easily cause too many impurities to penetrate the molten steel in practical applications, thus affecting the quality of the steel.

 

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FAQ

Q: Can we visit the factory?

A: We looking forward to you visiting our factory at any time!

Q: What are the advantages of your company over other companies?

A: 30 years professional service team, Strict QC Procedures, Steady quality, Accept SGS, BV, CCIC, etc certification.

Q: Can your products be customized?
A: Yes, we have a professional team that has rich experience in ferro silicon, so we'll try our best to satisfy your requirements.

Q: How is the products' quality of Ferrosilicon?

A: The products will be strictly inspected before shipment, so the quality can be guaranteed.

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