I-1.Isetshenziswa njenge-ejenti yokunciphisa ekukhiqizeni i-ferroalloy ne-magnesium
2.Isetshenziswa njenge-deoxidizer kanye ne-alloying agent embonini yokwenza insimbi
3.Isetshenziswa njenge-inoculant kanye ne-nodulizer embonini ye-iron cast
| Imodeli | Ukwakhiwa Kwekhemikhali (%) | |||||
| Si | UMn | Al | C | P | S | |
| FeSi75A | 75.0-80.0 | ≤0.4 | ≤2.0 | ≤0.2 | ≤0.035 | ≤0.02 |
| I-FeSi75B | 73.0-80.0 | ≤0.4 | ≤2.0 | ≤0.2 | ≤0.04 | ≤0.02 |
| FeSi75C | 72.0-75.0 | ≤0.5 | ≤2.0 | ≤0.1 | ≤0.04 | ≤0.02 |
| FeSi70 | 72.0 | ≤2.0 | ≤0.2 | ≤0.04 | ≤0.02 | |
| FeSi65 | 65.0-72.0 | ≤0.6 | ≤2.5 | —- | ≤0.04 | ≤0.02 |