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 |