1.Yakoreshejwe nkigabanya agent mukubyara ferroalloy na magnesium
2.Bikoreshwa nka deoxidizer na alloying agent munganda zikora ibyuma
3.Bikoreshwa nka inoculant na nodulizer munganda zicyuma
| Icyitegererezo | Ibigize imiti (%) | |||||
| Si | Mn | Al | C. | P. | S. | |
| FeSi75A | 75.0-80.0 | ≤0.4 | ≤2.0 | ≤0.2 | ≤0.035 | ≤0.02 |
| 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 |