材料 | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti |
0 Mn | 0.56 | 0.15 | 0.001 | 0.002 | 0.61 | 0.01 | 0.02 | 0.04 |
0.31 Mn | 0.55 | 0.16 | 0.001 | 0.310 | 0.62 | 0.01 | 0.020 | 0.04 |