| Elements | Mg | Mn | Cr | Fe | Si | Zn | Ti | Cu | Others | Al | |
| Per | Total | ||||||||||
| Standards | 4.0~4.9 | 0.4~1.0 | 0.05~0.25 | ≤0.4 | ≤0.4 | ≤0.25 | ≤0.15 | ≤0.1 | 0.05 | 0.15 | Bal. |
| Calculate | 4.45 | 0.7 | 0.15 | 0.4 | 0.4 | 0.25 | 0.15 | 0.1 |
|
| Bal. |