Designation
| Name |
The value |
| Designation GOST Cyrillic |
26ХГМ |
| Designation GOST Latin |
26XGM |
| Transliteration |
26HGM |
| By chemical elements |
26CrMnMo |
Description
26ХГМ steel is used: for the manufacture of billets used for the production of pipes and rolled steel; gear reducers and transmissions.
Note
Structural steel quality chromatorgraphy.
Standards
| Name |
Code |
Standards |
| Blanks. Of the workpiece. Slabs |
В31 |
TU 14-1-4944-90 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Mo |
Sn |
| TU 14-1-4944-90 |
0.24-0.28 |
≤0.02 |
≤0.03 |
1.2-1.4 |
0.4-0.5 |
0.15-0.3 |
≤0.3 |
Rest |
≤0.25 |
0.2-0.3 |
≤0.02 |
Fe is the basis.
According to TU 14-1-4944-90 the chemical composition is given for steel 26HGM. Permissible deviations in the content of individual elements in accordance with GOST 4543 and GOST 19821.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
| Rolled steel. Quenching in oil from 860 °C to + Vacation at 200 °C, air cooling (longitudinal samples) |
| ≤50 |
≥1100 |
≥1200 |
≥10 |
≥45 |
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 |
Technological properties
| Name |
The value |
| Склонность к отпускной хрупкости |
Tend not. |
| Flock-sensitive sensitivity |
not sensitive. |
