| 参数 | 标准值 | 单位 | |
|---|---|---|---|
| Mn | 0.006 | % | |
| P | <0.0010 | % | |
| Cr | <0.0050 | % | |
| Ni | <0.0050 | % | |
| Cu | <0.0050 | % | |
| Ti | 0.02 | % | |
| V | 0.02 | % | |
| Pb | <0.0030 | % | |
| As | <0.0010 | % | |
| Zn | 0.02 | % | |
| Co | <0.0010 | % | |
| B | <0.0010 | % | |
| Sn | <0.0010 | % | |
| Mg | 0.02 | % | |
| Ca | <0.0005 | % | |
| Bi | <0.0010 | % | |
| Sb | <0.0010 | % | |
| Be | <0.0005 | % | |
| Li | <0.0005 | % | |
| Na | <0.0005 | % | |
| Sc | <0.0010 | % | |
| Zr | <0.0010 | % | |
| Ga | 0.02i | % | |
| Fe | 0.06i | % | |
| Cd | <0.0010 | % | |
| Hg | <0.0005 | % | |
| Ag | <0.0010 | % | |
| Sr | <0.0010 | % |