材料 | Si | Fe | Cu | Zn | Mg | Cr | Mn | Zr | Ti | Al |
7005 | <0.35 | <0.40 | <0.10 | 4.0~5.0 | 1.0~1.8 | 0.06~0.20 | 0.20~0.70 | 0.08~0.20 | 0.01~0.06 | Bal. |
ER5356 | <0.25 | <0.40 | <0.10 | <0.10 | 4.5~5.5 | 0.05~0.20 | 0.05~0.20 | - | 0.06~0.20 | Bal. |