| 参数 | 标准值 | 单位 | |
|---|---|---|---|
| S | 0.004 | % | |
| Cr | 0.004 | % | |
| Ni | 0.003 | % | |
| Pb | 0.005 | % | |
| As | 0.003 | % | |
| Zn | 0.005 | % | |
| Al | 0.003 | % | |
| Co | 0.003 | % | |
| Sn | 0.006 | % | |
| Mg | 0.004 | % | |
| Bi | 0.003 | % | |
| P | 0.003 | % | |
| Sb | 0.006 | % | |
| Zr | <0.002 | % | |
| Fe | 0.005 | % | |
| Cd | 0.004 | % | |
| Au | 0.003 | % | |
| Ag | 0.006 | % | |
| Be | 0.0003 | % | |
| Se | <0.0001 | % | |
| Te | 0.007 | % | |
| Mn | 0.004 | % |