| GRADE | CHEMICAL COMPOSITION（%） | ||||||||
| Mg | Fe | Si | Ni | Cu | Al | Cl | Mn | Others | |
| ≥ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | |
| Mg Ingot 99.98 | 99.98 | 0.002 | 0.003 | 0.002 | 0.0005 | 0.004 | - | 0.002 | 0.02 |
| Mg Ingot 99.96 | 99.96 | 0.004 | 0.004 | 0.0002 | 0.002 | 0.006 | 0.003 | 0.003 | 0.04 |
| Mg Ingot 99.95 | 99.95 | 0.004 | 0.005 | 0.0007 | 0.003 | 0.006 | 0.003 | 0.01 | 0.05 |
| Mg Ingot 99.90 | 99.9 | 0.04 | 0.01 | 0.001 | 0.004 | 0.02 | 0.005 | 0.03 | 0.1 |
| Mg Ingot 99.80 | 99.8 | 0.05 | 0.03 | 0.002 | 0.02 | 0.05 | 0.005 | 0.06 | 0.2 |
