| Name | The value |
|---|---|
| Name | The value |
| Designation GOST Cyrillic | 20Х3МВФЛ |
| Designation GOST Latin | 20X3MBFL |
| Transliteration | 20H3MVFL |
| By chemical elements | 20Cr3MoWV |
| Name | The value |
|---|---|
| Name | The value |
| Designation GOST Cyrillic | ЭИ415Л |
| Designation GOST Latin | EI415L |
| Transliteration | EhI415L |
| By chemical elements | - |
20Х3МВФЛ steel is used: for the manufacture of casting parts for gas turbines and axial compressors operating at temperatures up to +560 °C.
Steel pearlitic class.
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Mo | W |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Mo | W |
| OST 108.961.04-80 | 0.16-0.24 | ≤0.025 | ≤0.03 | 0.35-0.75 | 2.8-3.3 | 0.2-0.42 | ≤0.6 | Rest | ≤0.2 | 0.6-0.85 | 0.35-0.55 | 0.3-0.5 |
| sT|s0,2, MPa | σU, MPa | d5, % | y, % | KCU, kJ/m2 |
|---|---|---|---|---|
| sT|s0,2, MPa | σU, MPa | d5, % | y, % | KCU, kJ/m2 |
| Casting parts of gas turbines. Quenching in oil with 1030-1060 °C + vacation at 660-700 °C, air cooling | ||||
| ≥441 | ≥589 | ≥12 | ≥35 | 390 |
