Steel 33ХН3МА
Designation
Description
33ХН3МА steel is used: for the production of shafts, axles, gears, rings, turbine generators and other large critical components.
Note
Structural steel high-quality romancelatina.
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 33ХН3МА |
| Designation GOST Latin | 33XH3MA |
| Transliteration | 33HN3MA |
| By chemical elements | 33CrН3Mo |
33ХН3МА steel is used: for the production of shafts, axles, gears, rings, turbine generators and other large critical components.
Structural steel high-quality romancelatina.
| Name | Code | Standards |
|---|---|---|
| Classification, nomenclature and General rules | В20 | OST 1 90005-91 |
| Blanks. Of the workpiece. Slabs | В31 | TU 1-92-156-90 |
| Section, mm | t отпуска, °C | sT|s0,2, MPa | σU, MPa | d5, % | y, % | KCU, kJ/m2 | HB, MPa |
|---|---|---|---|---|---|---|---|
| Forgings. Quenching in oil with 835-865 °C + Vacation, air cooling | |||||||
| 600-650 | ≥885 | ≥1030 | ≥12 | ≥50 | ≥980 | - | |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 | |||||||
| - | - | - | 1080-1270 | - | - | - | 311-363 |
| Forgings. Quenching in oil with 835-865 °C + Vacation, air cooling | |||||||
| 560-580 | - | 1080-1270 | ≥10 | - | ≥690 | - | |
| Name | Description |
|---|---|
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| KCU | Toughness |
| HB | Brinell hardness number |