Designation
| Name |
The value |
| Designation GOST Cyrillic |
22Г2 |
| Designation GOST Latin |
22G2 |
| Transliteration |
22G2 |
| By chemical elements |
22Mn2 |
Description
22Г2 steel is used: for the production of highly loaded steel structures and automobiles.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В33 |
TU 14-1-523-73 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Si |
Ni |
Fe |
| TU 14-1-523-73 |
0.18-0.26 |
≤0.035 |
≤0.035 |
1.37-1.75 |
0.1-0.3 |
≤0.4 |
Rest |
Fe is the basis.
According to TU 14-1-523-73 the chemical composition is given for steel grade 22G2 for bucket analysis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
HRB |
| Steel hot-rolled strip in the delivery condition on the other 14-1-523-73 |
| 4.0; 7.0 |
≥315 |
540-690 |
≥18 |
77-94 |
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 |
| HRB |
Rockwell hardness (indenter steel, spherical) |
Technological properties
| Name |
The value |
| Weldability |
Without restrictions all types of welding. |