Designation
| Name |
The value |
| Designation GOST Cyrillic |
15Х2ГН2ТА |
| Designation GOST Latin |
15X2GH2TA |
| Transliteration |
15H2GN2TA |
| By chemical elements |
15Cr2MnН2Ti |
Description
15Х2ГН2ТА steel is used: for the manufacture of gear wheels, shaft gear, worm gear pairs, Cam clutches, piston pins and other improve and carburized parts, which are requirements of high strength and high surface hardness, working under shock loads and at low temperatures.
Note
Alloy structural steel high quality.
Standards
| Name |
Code |
Standards |
| Blanks. Of the workpiece. Slabs |
В31 |
TU 1-92-156-90 |
| Bars and shapes |
В32 |
TU 14-1-950-74 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| TU 14-1-950-74 |
0.13-0.18 |
≤0.025 |
≤0.025 |
0.7-1 |
1.4-1.8 |
0.17-0.37 |
1.4-1.8 |
Rest |
≤0.25 |
≤0.05 |
0.02-0.06 |
≤0.15 |
≤0.2 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
| Bars and strip hot rolled and forged. Quenching in oil with 800-860 °C + vacation at 150-180 °C air cooling or oil |
|
≥885 |
≥980 |
≥12 |
≥55 |
≥1080 |
321-388 |
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 |
