Products Parameters
| Grade | Chemical Composition % | |||||
| Si | Mn | AI | C | P | S | |
| FeSi75A | 75.0-80.0 | ≤0.4 | ≤2.0 | ≤0.2 | ≤0.035 | ≤0.02 |
| FeSi75B | 73.0-80.0 | ≤0.4 | ≤2.0 | ≤0.2 | ≤0.04 | ≤0.02 |
| FeSi75C | 72.0-75.0 | ≤0.5 | ≤2.0 | ≤0.1 | ≤0.04 | ≤0.02 |
| FeSi70 | 72.0 | ≤2.0 | ≤0.2 | ≤0.04 | ≤0.02 | |
| FeSi65 | 65.0-72.0 | ≤0.6 | ≤2.5 | ≤0.04 | ≤0.02 | |
Products Description
Ferrosilicon powder is mainly composed of two elements: iron (Fe) and silicon (Si). The silicon content is usually higher. Generally, the national standard ferrosilicon content has a silicon content of greater than or equal to 70%, while the most widely used 75% ferrosilicon It refers to ferrosilicon powder with a silicon content of about 75%. In addition to iron and silicon, ferrosilicon powder may also contain a small amount of carbon (C), sulfur (S), phosphorus (P) and other impurity elements, but their content is usually low and will not affect the main properties of ferrosilicon powder. have a significant impact.
Ferrosilicon powder is a powdery substance obtained after grinding, with a small particle size and a large specific surface area. This form makes it easy to mix ferrosilicon powder with molten iron or other alloy elements in industrial fields such as metallurgy and casting, thereby improving the quality and performance of the product.
Ferrosilicon powder is often used as a deoxidizer and alloy additive in steel production. In the steelmaking process, ferrosilicon powder can effectively remove oxygen from molten steel and improve the purity and quality of steel. At the same time, ferrosilicon powder can also be added to steel as an alloying element to improve the properties of steel, such as improving strength, hardness and wear resistance. In cast iron production, ferrosilicon powder is often used as an inoculant and spheroidizer. It can promote the precipitation and spheroidization of graphite, thereby improving the structure and properties of cast iron. The use of ferrosilicon powder can increase the density and strength of castings, reduce the generation of pores and inclusions, and make the surface of castings smooth and strong. Ferrosilicon powder is often used as a reducing agent in ferroalloy production. Due to the high chemical affinity between silicon and oxygen and the low carbon content of high-silicon ferrosilicon, ferrosilicon powder is a commonly used reducing agent in the production of low-carbon ferroalloys. Ferrosilicon powder can also be used in the fields of mineral processing industry, welding rod manufacturing industry and chemical industry. In the mineral processing industry, ferrosilicon powder can be used as a suspended phase; in the welding rod manufacturing industry, ferrosilicon powder can be used as one of the coating components of the welding rod; in the chemical industry, high-silicon ferrosilicon can be used to manufacture silicone and other products.
In summary, ferrosilicon powder is an important alloy material and has wide application value in steel, casting, ferroalloy production and many other industrial fields.
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