| 参数 | 标准值 | 单位 | |
|---|---|---|---|
| Si | 0.01 | % | |
| Mn | 0.003 | % | |
| P | 0.002 | % | |
| Zn | <0.0001 | % | |
| Al | 0.0002 | % | |
| Co | 0.004 | % | |
| Nb | 0.001 | % | |
| B | <0.0001 | % | |
| Sn | 0.0005 | % | |
| W | 0.005 | % | |
| N | 0.0005 | % | |
| Ca | 0.0001 | % | |
| Sb | 0.006 | % | |
| Zr | 0.005 | % | |
| Ta | 0.01 | % | |
| S | 0.001 | % | |
| Cr | 0.01 | % | |
| Ni | 0.01 | % | |
| Cu | 0.001 | % | |
| Ti | 0.0001 | % | |
| Mo | 0.01 | % | |
| V | 0.002 | % | |
| Pb | 0.004 | % | |
| As | 0.003 | % |