| Siliciummetaal | SI(≥) | FE(≤) | Al(≤) | CA(≤) |
| % | ||||
| 553 | 98.50 | 0.5 | 0.5 | 0.3 |
| 521 | 99.0 | 0.5 | 0.2 | 0.1 |
| 441 | 99.0 | 0.4 | 0.4 | 0.1 |
| 421 | 99.0 | 0.4 | 0.2 | 0.1 |
| 411 | 99.0 | 0.4 | 0.1 | 0.1 |
| 3303 | 99.2 | 0.3 | 0.3 | 0.03 |
| 2202 | 99.5 | 0.2 | 0.2 | 0.02 |
| 1101 | 99.5 | 0.1 | 0.1 | 0.01 |