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 |