Number | Si | Fe | Cu | Mn | Mg | Cr | Ti | Al |
1 | 0.61 | 0.11 | 0.0053 | 0.020 | 0.67 | 0.0014 | 0.024 | Bal. |
2 | 0.60 | 0.19 | 0.0055 | 0.019 | 0.68 | 0.0013 | 0.025 | Bal. |
3 | 0.60 | 0.31 | 0.0052 | 0.019 | 0.69 | 0.0013 | 0.024 | Bal. |