| AZ91D | AM60B | AM50A | AZ63 | |
| Mg | 余量 | 余量 | 余量 | 余量 |
| Al | 8.5-9.5% | 5.6-6.4% | 4.5-5.3% | 5.3-6.7% |
| Mn | 0.17-0.40% | 0.26-0.50% | 0.28-0.50% | ≥0.15% |
| Zn | 0.45-0.90% | < 0.20% | < 0.20% | 2.5-3.5% |
| Si | < 0.08% | < 0.08% | < 0.08% | < 0.1% |
| Cu | < 0.025% | < 0.008% | < 0.008% | < 0.02% |
| Ni | < 0.001% | < 0.001% | < 0.001% | < 0.002% |
| Fe | < 0.004% | < 0.004% | < 0.004% | < 0.003% |
| 其它單一雜質(zhì) | < 0.01% | < 0.01% | < 0.01% | < 0.01% |