Designation
| Name |
The value |
| Designation GOST Cyrillic |
26Г2СТА |
| Designation GOST Latin |
26G2CTA |
| Transliteration |
26G2STA |
| By chemical elements |
26Mn2СTi |
Description
26Г2СТА steel is used: for the production of hot-rolled steel with a diameter of 46−110 mm, used in the manufacture of electro-welded anchor chains of category II strength.
Note
High quality structural steel.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В22 |
GOST 2590-2006 |
| Bars and shapes |
В32 |
TU 14-1-3050-80 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Ti |
| TU 14-1-3050-80 |
0.25-0.31 |
≤0.025 |
≤0.025 |
1.45-1.85 |
≤0.4 |
0.5-0.75 |
≤0.4 |
Rest |
≤0.3 |
0.01-0.04 |
Fe is the basis.
According to TU 14-1-3050-80 the chemical stostav is given for steel 26G2STA.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
| Bars of g/K for circuits of category II strength. Normalization at 860-880 °C or Quenching in oil or water from 860-880 °C + vacation at 620-670 °C, air cooling |
|
343 |
490 |
22 |
40 |
294 |
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 |
