Designation
| Name |
The value |
| Designation GOST Cyrillic |
24Г2 |
| Designation GOST Latin |
24G2 |
| Transliteration |
24G2 |
| By chemical elements |
24Mn2 |
Description
24Г2 steel is used: for the production of hot-rolled seamless tubes for the manufacture of rig tooling, high wear resistance, working under moderate and significant pressures without heating the cutting edge.
Standards
| Name |
Code |
Standards |
| Steel pipes and fittings to them |
В62 |
TU 14-3-948-80 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Mo |
| TU 14-3-948-80 |
0.2-0.27 |
≤0.035 |
≤0.045 |
1.3-1.6 |
≤0.3 |
0.25-0.35 |
≤0.3 |
Rest |
≤0.11 |
Fe is the basis.
Mechanical properties
| sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
| Seamless hot-rolled pipes 550х25 mm in the delivery state on the other 14-3-948-80 (samples) |
| 333-412 |
530-686 |
≥19 |
≥40 |
≥686 |
| ≥255 |
≥490 |
- |
- |
- |
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 |
