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 |
