Designation
| Name |
The value |
| Designation GOST Cyrillic |
15ХГН2ТА |
| Designation GOST Latin |
15XGH2TA |
| Transliteration |
15HGN2TA |
| By chemical elements |
15CrMnН2Ti |
| Name |
The value |
| Designation GOST Cyrillic |
15ХГНТА |
| Designation GOST Latin |
15XGHTA |
| Transliteration |
15HGNTA |
| By chemical elements |
15CrMnНTi |
Description
15KHGN2TA steel is used: for manufacturing of gear rims, connecting rods, gear wheels and similar highly loaded parts.
Note
Steel high-quality structural homomorphically with titanium.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
GOST 4543-71, GOST 14955-77, TU 3-190-83, TU 14-1-2118-77, TU 14-132-180-89, TU 14-11-245-88, 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 |
≤0.025 |
≤0.025 |
0.7-1 |
0.7-1 |
0.17-0.37 |
1.4-1.8 |
Rest |
≤0.3 |
≤0.05 |
0.03-0.09 |
≤0.15 |
≤0.2 |
Fe is the basis.
GOST 4543-71 regulates the content of high-quality steel: P≤0,025%; S≤0.015%; Сu≤0.25%.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
| Rolled steel. Quenching in oil with 960-840 °C + Vacation at 180 °C, air cooling |
| 15 |
≥735 |
≥930 |
≥11 |
≥55 |
≥961 |
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 |
Technological properties
| Name |
The value |
| Flock-sensitive sensitivity |
not sensitive. |
