10Х2МФБ鋼 (ЭИ531)
| 10Х2МФБ | |
| 10X2MFB | |
| 10H2MFB | |
| 10Cr2MoVNb |
| ЭИ531 | |
| EI531 | |
| EhI531 | |
| - |
| ТУ | В31 | ТУ 14-1-3119-81, ТУ 14-1-789-73 |
| ТУ | В33 | ТУ 14-1-3409-82 |
| C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Ti | Mo | Nb | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ТУ 14-1-3119-81 | 0.08-0.12 | ≤0.02 | ≤0.02 | 0.4-0.7 | 2.1-2.6 | 0.4-0.7 | ≤0.3 | ≤0.25 | 0.2-0.35 | ≤0.1 | 0.5-0.7 | 0.5-0.8 | |
| ТУ 14-1-789-73 | 0.07-0.12 | ≤0.025 | ≤0.035 | 0.5-0.7 | 1.9-2.4 | 0.35-0.5 | - | - | 0.1-0.3 | - | 0.4-0.6 | 0.3-0.6 |
