Steel 22ХНМ

Designation

Name The value
Designation GOST Cyrillic 22ХНМ
Designation GOST Latin 22XHM
Transliteration 22HNM
By chemical elements 22CrНMo

Description

22ХНМ steel is used: for the production of hot rolled long products for the manufacture of gears trucks.

Standards

Name Code Standards
Bars and shapes В22 GOST 2590-2006
Bars and shapes В32 TU 14-1-1011-08

Chemical composition

Standard C S P Mn Cr Si Ni Fe Mo
TU 14-1-1011-74 0.18-0.24 ≤0.035 ≤0.035 0.6-0.9 0.4-0.7 0.17-0.37 0.8-1.2 Rest 0.2-0.3
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Bars hot rolled section up to 150 mm on the other 14-1-1011-08. 1-I'm quenching in oil from 860 °C + 2 quenching in oil from 780 °C to + Vacation at 200 °C, cooling in water or oil
≥685 ≥880 ≥11 ≥50 ≥780 285-341

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