Designation
| Name |
The value |
| Designation GOST Cyrillic |
35ХСН3М1А |
| Designation GOST Latin |
35XCH3M1A |
| Transliteration |
35HSN3M1A |
| By chemical elements |
35CrСН3Mo1 |
| Name |
The value |
| Designation GOST Cyrillic |
ВКС-8 |
| Designation GOST Latin |
BKC-8 |
| Transliteration |
VKS-8 |
| By chemical elements |
WCoС-8 |
Description
35ХСН3М1А steel is used: for the production of highly loaded and critical parts of aircraft and aerospace industries.
Note
High quality high strength steel.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and General rules |
В20 |
OST 1 90005-91 |
| Blanks. Of the workpiece. Slabs |
В31 |
TU 1-92-156-90 |
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
| Forgings. Normalization at 890-910 °C + Quenching in oil with 890-910 °C + Vacation at 200-280 °C (extract 2-3 h), cooling in oil or air |
|
≥1375 |
≥1770 |
≥9 |
≥45 |
≥590 |
- |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| - |
- |
1470-1960 |
- |
- |
- |
49-52.5 |
Description mechanical marks
| 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 |