| Elements | % W / W | ||
| Magnesium | Mg | Remainder | |
| Aluminium | Al | 4.5-5.3 | |
| Manganese | Mn | 0.28-0.50 | |
| Zinc | Zn | 0.20 | % max |
| Silicon | Si | 0.05 | % max |
| Copper | Cu | 0.008 | % max |
| Nickel | Ni | 0.001 | % max |
| Iron | Fe | 0.004 | % max |
| Other impurities each | 0.01 | % max |
| Elements | % W / W | ||
| Magnesium | Mg | Remainder | |
| Aluminium | Al | 5.6-6.4 | |
| Manganese | Mn | 0.26-0.50 | |
| Zinc | Zn | 0.20 | % max |
| Silicon | Si | 0.05 | % max |
| Copper | Cu | 0.008 | % max |
| Nickel | Ni | 0.001 | % max |
| Iron | Fe | 0.004 | % max |
| Other impurities each | 0.01 | % max |
| Elements | % W / W | ||
| Magnesium | Mg | 99.90 | % min |
| Iron | Fe | 0.04 | % max |
| Silicon | Si | 0.02 | % max |
| Nickel | Ni | 0.001 | % max |
| Copper | Cu | 0.004 | % max |
| Aluminium | Al | 0.02 | % max |
| Chlorine | Cl | 0.005 | % max |
| Manganese | Mn | 0.03 | % max |
| Total | 0.10 | % max |
| Elements | % W / W | ||
| Magnesium | Mg | 99.95 | % min |
| Iron | Fe | 0.004 | % max |
| Silicon | Si | 0.005 | % max |
| Nickel | Ni | 0.0007 | % max |
| Copper | Cu | 0.003 | % max |
| Aluminium | Al | 0.006 | % max |
| Chlorine | Cl | 0.003 | % max |
| Manganese | Mn | 0.01 | % max |
| Tittanium | Ti | 0.014 | % max |
| Total | 0.05 | % max |