| Chemical Composition | Steel Slag (wt%) | FeNi Slag (wt%) |
| SiO2 | 13.65 | 41.14 |
| Al2O3 | 10.26 | 13.79 |
| FeO | 32.20 | 34.74 |
| MgO | 2.782 | 3.59 |
| CaO | 32.06 | 0.71 |
| Ni | 0.007 | 0.14 |