| 组分 | 标准值 | 标准偏差 | 单位 |
| C | 3.21 | 0.01 | (10-2) |
| S | 0.158 | 0.005 | (10-2) |
| P | 0.448 | 0.007 | (10-2) |
| Si | 0.495 | 0.004 | (10-2) |
| Mn | 0.43 | 0.02 | (10-2) |
| Cr | 0.081 | 0.002 | (10-2) |
| Ni | 0.70 | 0.02 | (10-2) |
| Mo | 0.57 | 0.01 | (10-2) |
| V | 0.029 | 0.003 | (10-2) |
| Cu | 1.21 | 0.03 | (10-2) |
| Ti | 0.116 | 0.002 | (10-2) |
| Nb | 0.160 | 0.006 | (10-2) |
| B | 0.066 | 0.003 | (10-2) |