| 组分 | 标准值 | 标准偏差 | 单位 |
| C | 2.52 | 0.02 | (10-2) |
| S | 0.024 | 0.001 | (10-2) |
| P | 0.073 | 0.002 | (10-2) |
| Si | 1.22 | 0.01 | (10-2) |
| Mn | 0.372 | 0.003 | (10-2) |
| Cr | 0.90 | 0.02 | (10-2) |
| Ni | 0.95 | 0.02 | (10-2) |
| Mo | 0.34 | 0.02 | (10-2) |
| V | 0.132 | 0.003 | (10-2) |
| Cu | 0.73 | 0.01 | (10-2) |
| Ti | 0.018 | 0.001 | (10-2) |
| Nb | 0.038 | 0.001 | (10-2) |
| B | 0.099 | 0.002 | (10-2) |