Ferro alloy
Metallurgical Grade Silicon Metal 411 for Steelmaking
Silicon metal is usually classified according to the content of iron, aluminum and calcium, the three main impurities contained in the silicon metal composition. According to the content of iron, a...
DESCRIPTION
Silicon metal is usually classified according to the content of iron, aluminum and calcium, the three main impurities contained in the silicon metal composition. According to the content of iron, aluminum and calcium in silicon metal, silicon metal can be divided into 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, 1101 and other different grades.
| Grade | Si | Fe | AI | Ca | Size | |
| ≥ | ≤ | |||||
| 1101 | 99.79 | 0.1 | 0.1 | 0.01 | 10-100mm | |
| 2202 | 99.58 | 0.2 | 0.2 | 0.02 | ||
| 2502 | 99.48 | 0.25 | 0.25 | 0.02 | ||
| 3303 | 99.37 | 0.3 | 0.3 | 0.03 | ||
| 411 | 99.4 | 0.4 | 0.1 | 0.1 | ||
| 421 | 99.3 | 0.4 | 0.2 | 0.1 | ||
| 441 | 99.1 | 0.4 | 0.4 | 0.1 | ||
| 553 | 98.7 | 0.5 | 0.5 | 0.3 | ||
| 98 | 98 | 1 | 0.5 | 0.5 | ||
| 97 | 97 | 1.7 | 0.7 | 0.6 | ||
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