What is silicon iron?
What is Fesi Silicon Ferro 72?
High-quality Fesi Ferrosilicon for precision steelmaking.
Silicon iron (FeSi) is an alloy of iron and silicon, primarily used for deoxidation in steelmaking and as an alloying component. Eramet is one of the world's largest suppliers of high-quality Fesi Ferrosilicon alloys, and we are always ready to help you find the best product for your application scenario.
Specification of Ferrosilicon
| Product Name | High Grade Deoxidizer |
| Type | Ferro silicon Alloy |
| Specification | 1-3mm,3-10mm,10-50mm, 50-100mm or Customized |
| origin | China |
| Production Capacity | 2000tons/Month |
How is silicon iron made?
How is Ferrosilicon 72% made?
Fesi Ferrosilicon (commonly abbreviated as FeSi) is an iron-silicon alloy that also contains smaller proportions of other elements. The most commonly used grade of silicon iron contains 75 wt% silicon ('FeSi75'), but the content can vary between 15-90 wt% depending on the application.
The highest quality Fesi Ferrosilicon is produced in an electric arc furnace, where silicon dioxide is reduced with coke in the presence of iron (usually scrap steel or iron ore). Fesi Ferrosilicon is typically found in lustrous, metallic gray blocks, but it is also available in pre-fabricated spherical shapes.
The role of Fesi Ferrosilicon in steelmaking
The role of FeSi silicon iron in steelmaking
In steelmaking, Fesi Ferrosilicon is used for:
Product performance - Fesi Ferrosilicon is a convenient method for adding silicon as an alloying element, which can improve various properties of the final steel product.
Slag reduction - In stainless steel production, the presence of silicon can reduce the amount of chromium oxide in the melt, improving the absorption rate of metallic chromium.
Deoxidation - Fesi Ferrosilicon can rapidly remove oxygen from the melt, thereby preventing the formation of oxide inclusions and avoiding the loss of required elements.
Fuel - Some steel mills add Fesi Ferrosilicon to the melt, which can introduce heat into the furnace through combustion, thus reducing energy costs.
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