Steel 35ХСН3М1А (VC-8)

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