Ferrosilicon Alloy For Casting
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Ferrosilicon alloy for casting
Used as reducing agent in ferroalloy production. Not only is the chemical affinity between silicon and oxygen very high, but the carbon content of high-silicon ferrosilicon is very low. Therefore, high-silicon ferrosilicon (or silicon alloy) is a commonly used reducing agent in the ferroalloy industry when producing low-carbon ferroalloys.
Use in other ways. Ground or atomized ferrosilicon powder can be used as a suspended phase in the mineral processing industry. It can be used as a coating for welding rods in the welding rod manufacturing industry. High-silicon ferrosilicon is used in the chemical industry to make products such as silicone.
Among these uses, the steelmaking industry, foundry industry and ferroalloy industry are the largest users of ferrosilicon. Together they consume more than 90% of ferrosilicon. Among various brands of ferrosilicon, 75% ferrosilicon is currently the most widely used. In the steelmaking industry, approximately 3-5kg of 75% ferrosilicon is consumed for each ton of steel produced.
| Ferro silicon code | Chemical composition(%) | |||||
|---|---|---|---|---|---|---|
| Si | Mn | Cr | C | P | S | |
| FeSi75A | 74.0-80.0 | ≤0.4 | ≤0.3 | ≤0.1 | ≤0.035 | ≤0.02 |
| FeSi75B | 72.0-80.0 | ≤0.4 | ≤0.3 | ≤0.1 | ≤0.04 | ≤0.02 |
| FeSi75C | 70.0-80.0 | ≤0.5 | ≤0.5 | ≤0.2 | ≤0.04 | ≤0.02 |
| FeSi65 | 65.0-72.0 | ≤0.6 | ≤0.5 | ≤0.2 | ≤0.04 | ≤0.02 |
