Grade | Chemical composition | |||||||
Si | Al | Ca | Mn | Cr | P | S | C | |
≥ | ≤ | |||||||
FeSi75 | 75 | 1.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi72 | 72 | 2 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi70 | 70 | 2 | 1 | 0.6 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi65 | 65 | 2 | 1 | 0.7 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi60 | 60 | 2 | 1 | 0.8 | 0.6 | 0.05 | 0.03 | 0.3 |
FeSi45 | 40-47 | 2 | 1 | 0.7 | 0.5 | 0.04 | 0.02 | 0.2 |