Steel Making
Raw Materials
Department of Trading & SCM
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Metal Silicon
The main ingredient in polysilicon manufacturing, which is a core raw material for semiconductor and solar materials, is widely used in the steel industry, aluminum alloys, organo-silicone (silicon compounds), secondary batteries, and chemicals.
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Fe-Si(Ferro Silicon)
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The steel industry It's added to the cast iron to make the carbon steel stable It accelerates the formation of graphite carbon. It promotes, and also softens iron and Improves fluidity and machineability.
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Organic silicone (silicone compound) - Semiconductor : Electronic Industrial Silicon Wafer.
- Textile softeners, antibacterial agents.
- Sealants, lubricants, paints and synthetic rubbers.
- Cosmetic/furniture and vehicle polish.
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| Grade | Composition | ||||
|---|---|---|---|---|---|
| Si Content(%) | Impurities(%) | ||||
| Fe | Al | Ca | P | ||
| 1501 | 99.69 | 0.15 | 0.15 | 0.01 | ≤0.004% |
| 1502 | 99.68 | 0.15 | 0.15 | 0.02 | ≤0.004% |
| 1101 | 99.79 | 0.1 | 0.1 | 0.01 | ≤0.004% |
| 2202 | 99.58 | 0.2 | 0.2 | 0.02 | ≤0.004% |
| 2502 | 99.48 | 0.25 | 0.25 | 0.02 | ≤0.004% |
| 3303 | 99.37 | 0.3 | 0.3 | 0.03 | ≤0.005% |
| 411 | 99.4 | 0.4 | 0.1 | 0.1 | ≤0.005% |
| 421 | 99.3 | 0.4 | 0.2 | 0.1 | ≤0.005% |
| 441 | 99.1 | 0.4 | 0.4 | 0.1 | - |
| 551 | 98.9 | 0.5 | 0.5 | 0.1 | - |
| 553 | 98.7 | 0.5 | 0.5 | 0.3 | - |