Designation
| Name |
The value |
| Designation GOST Cyrillic |
15ГЮТ |
| Designation GOST Latin |
15GJuT |
| Transliteration |
15GYuT |
| By chemical elements |
15MnAlTi |
Description
15ГЮТ steel is used: for the manufacture of welded heavy-duty frame structures; spars RAM trucks.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В33 |
TU 14-1-2366-78 |
| Sheets and strips |
В23 |
TU 14-1-4632-93 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
Ti |
| TU 14-1-2366-78 |
0.11-0.16 |
≤0.03 |
≤0.04 |
1-1.4 |
≤0.3 |
0.17-0.35 |
≤0.4 |
Rest |
- |
0.02-0.06 |
0.08-0.14 |
| TU 14-1-4632-93 |
0.12-0.17 |
≤0.03 |
≤0.04 |
1-1.4 |
≤0.15 |
0.25-0.45 |
- |
Rest |
≤0.25 |
0.02-0.08 |
0.08-0.14 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
HB, MPa |
| Sheet autogeny in the state of delivery on the other 14-1-2366-78 |
|
340-460 |
≥480 |
≥17 |
≤170 |
| Sheet metal in delivery condition on the other 14-1-4632-93 (samples transverse) |
| 5-8 |
≥390 |
≥490 |
≥17 |
≤183 |
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 |
| HB |
Brinell hardness number |