Steel 14KHGN

Designation

Name The value
Designation GOST Cyrillic 14ХГН
Designation GOST Latin 14XGH
Transliteration 14HGN
By chemical elements 14CrMnН

Description

14KHGN steel is used: for the manufacture of universal joints of the cardan cars.

Note

Steel structural quality homomasculinity.

Standards

Name Code Standards
Bars and shapes В32 GOST 4543-71, GOST 14955-77, TU 14-1-5414-2001, TU 14-1-2118-77, TU 14-11-245-88, TU 1141-256-00187211-97, TU 14-1-2252-2007, TU 14-136-367-2008
Bars and shapes В22 GOST 8319.0-75
Blanks. Of the workpiece. Slabs В31 OST 3-1686-90, TU 14-1-4944-90

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
GOST 4543-71 0.13-0.18 ≤0.035 ≤0.035 0.7-1 0.8-1.1 0.17-0.37 0.8-1.1 Rest ≤0.3 ≤0.05 ≤0.03 ≤0.15 ≤0.2
Fe is the basis.
According to GOST 4543-71 the content in high-quality steel is regulated: P≤0,025%; S≤0.025%; Сu≤0.30%; in high-grade steel: P≤0,025%; S≤0.015%; Сu≤0.25%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % KCU, kJ/m2
Quenching in oil from 870 °C to + vacation at 150-180 °C, air cooling
≤25 835 1080 8 765

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
KCU Toughness