Designation
Name |
The value |
Designation GOST Cyrillic |
20ГЮТ |
Designation GOST Latin |
20GJuT |
Transliteration |
20GYuT |
By chemical elements |
20MnAlTi |
Description
20ГЮТ steel is used: for the manufacture of welded heavy-duty frame structures; spars RAM trucks.
Standards
Name |
Code |
Standards |
Sheets and strips |
В33 |
TU 14-1-3839-84 |
Sheets and strips |
В23 |
TU 14-1-4632-93 |
Chemical composition
Standard |
C |
S |
P |
Mn |
Cr |
Si |
Fe |
Cu |
Al |
Ti |
TU 14-1-4632-93 |
0.16-0.23 |
≤0.03 |
≤0.04 |
1.15-1.45 |
≤0.3 |
0.3-0.5 |
Rest |
≤0.3 |
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 metal in delivery condition on the other 14-1-4632-93 (samples transverse) |
5-8 |
≥440 |
≥540 |
≥17 |
≤210 |
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 |