| 组分 | 标准值 | 标准偏差 | 单位 |
| C | 2.25 | 0.03 | (10-2) |
| S | 0.026 | 0.002 | (10-2) |
| P | 0.063 | 0.001 | (10-2) |
| Si | 2.08 | 0.01 | (10-2) |
| Mn | 0.46 | 0.02 | (10-2) |
| Cr | 1.44 | 0.02 | (10-2) |
| Ni | 0.116 | 0.006 | (10-2) |
| Mo | 0.23 | 0.02 | (10-2) |
| V | 0.278 | 0.001 | (10-2) |
| Cu | 0.40 | 0.02 | (10-2) |
| Ti | 0.051 | 0.001 | (10-2) |
| Nb | 0.67 | 0.02 | (10-2) |
| B | 0.091 | 0.001 | (10-2) |