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Improve the quality of molten steel, reduce the amount of alloy added and steelmaking costs, and enhance economic benefits.
High carbon silicon metal comes from the remaining materials used in the production of silicon metal, which agglomerate at the bottom of the furnace. The elemental silicon content is usually between 40-70%, and the carbon content is 10-25%. High carbon silicon is commonly used as a substitute for low-cost silicon iron, silicon carbide, and carburizer, which can reduce steelmaking costs.
It has high density, high purity, pollution-free steel liquid, high recovery rate, stable effect, can replace ferrosilicon, silicon carbide, carbonization agent, reduce the amount of degassing agent, simple operation, and good performance.
The specifications of high carbon silicon are as follows
Silicon content: The weight percentage range of Si is 45-68%.
Carbon content: The weight percentage range of C is 15-20%.
Particle size: The optional particle size range includes 10-50mm, 3-10mm, and 0-3mm, which are suitable for different smelting processes and operational requirements.
These specifications ensure that high carbon silicon can effectively undergo deoxidation and alloying during the steelmaking process, while meeting the material performance requirements of different steel grades.
| Name | Chemical composition (mass fraction)/% | ||||||
| Si | C | Fe | Al | Ca | F | P | |
| ≥ | ≤ | ||||||
| Si - C68 | 68 | 18 | 1.5 | 2 | 2 | 0.05 | 0.05 |
| Si - C65 | 65 | 15 | 1.5 | 2 | 2 | 0.05 | 0.05 |
| Particle size | 0 - 3mm, 3 - 10mm, 10 - 50mm granularity | ||||||