Designation
| Name |
The value |
| Designation GOST Cyrillic |
13Н2ХА |
| Designation GOST Latin |
13H2XA |
| Transliteration |
13N2HA |
| By chemical elements |
13Н2Cr |
Description
13Н2ХА steel is used: for the manufacture of long products, stampings and forgings; parts of aviation.
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 |
0.1-0.16 |
≤0.025 |
≤0.025 |
0.3-0.6 |
0.2-0.5 |
0.17-0.37 |
1.7-2.1 |
Rest |
≤0.25 |
≤0.05 |
≤0.03 |
≤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 840-880 °C + Second quenching in oil or water with 790-810 °C + Vacation at 150-170 °C, air cooling |
|
≥390 |
≥590 |
≥15 |
≥50 |
≥1177 |
179-302 |
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 |