Products Description
Silicon is one of the main components of ferrosilicon alloy, and its content usually fluctuates within a certain range, such as 72% - 80%. Silicon has high chemical and thermal stability, and can improve the hardness, strength and wear resistance of the alloy. Iron, as a matrix, carries elements such as silicon, giving the alloy a certain toughness and processing performance. In addition, it may also contain a small amount of impurity elements such as manganese, chromium, phosphorus, and sulfur, which will also have a certain impact on the performance of ferrosilicon alloy.
Chemical Composition
Grade |
Chemical Composition(mass fraction)% | |||||||
| Si | Al | Ca | Mn | Cr | P | S | C | |
|
≥ |
≤ | |||||||
| FeSi90Al1.5 | 87.0~95.0 | 1.5 | 1.5 | 0.4 | 0.2 | 0.04 | 0.02 | 0.2 |
| FeSi9oAl3.0 | 87.0~95.0 | 3 | 1.5 | 0.4 | 0.2 | 0.04 | 0.02 | 0.2 |
| FeSi75Al0.5-A | 74.0~80.0 | 0.5 | 1 | 0.4 | I0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al0.5-B | 72.0~80.0 | 0.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
| FeSi75Al1.0-A | 74.0~80.0 | 1 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al1.0-B | 72.0~80.0 | 1 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
| FeSi75Al1.5-A | 74.0-80.0 | 1.5 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al1.5-B | 72.0~80.0 | 1.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
| FeSi75Al2.0-A | 74.0~80.0 | 2 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
| FeSi75Al2.0-B | 72.0~80.0 | 2 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 | |
| FeSi75-A | 74.0~80.0 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 | ||
| FeSi75-B | 72.0~80.0 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 | ||
| FeSi65 | 65.0~72.0 | 0.6 | 0.5 | 0.04 | 0.02 | |||
Size Characteristics And Advantages
Uniform size:
The size range of 10-100mm is relatively wide, which can meet the needs of different users. The size of ferrosilicon alloy of this size is relatively uniform, and the addition amount and reaction speed can be better controlled during use, improving production efficiency and product quality stability.
Good reaction activity:
The appropriate size makes the contact area between ferrosilicon alloy and other substances larger, and it can quickly react with molten metal or other additives during steelmaking, casting and other processes, giving full play to its deoxidation, alloying and other functions, reducing reaction time and energy consumption.
Easy to transport and store:
The fesi alloy granules in this size range are larger, less likely to generate dust, less likely to leak and lose during transportation and storage, and are also easy to load and unload and measure, reducing transportation and storage costs.
Products Uses
Steel industry
It is an indispensable deoxidizer and alloying agent in steel production. In the steelmaking process, adding ferrosilicon alloy can remove oxygen from molten steel, improve the quality and performance of steel, and increase the strength, hardness and wear resistance of steel. It is widely used in the production of plain carbon steel, alloy steel and special steel.
Casting industry
It is used as an inoculant and spheroidizer in the casting process. It can improve the structure and properties of cast iron, improve the quality and mechanical properties of castings, such as improving the strength, toughness and wear resistance of castings, and reduce defects and scrap rates of castings.
Other fields
It also has certain applications in non-ferrous metal smelting, chemical industry, electronics and other industries. For example, in the production of non-ferrous metals such as aluminum and magnesium, it can be used as an additive to improve the properties of metals; in the chemical industry, it can be used to manufacture chemical products such as silicides and silicates.
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