Designation
| Name |
The value |
| Designation GOST Cyrillic |
37Г2С |
| Designation GOST Latin |
37G2C |
| Transliteration |
37G2S |
| By chemical elements |
37Mn2С |
Description
37Г2С steel is used: for the manufacture of hot-deformed and cold-deformed seamless pipes for geological exploration, oil and gas industry.
Note
Steel low-alloy silico-manganese.
Standards
| Name |
Code |
Standards |
| Blanks. Of the workpiece. Slabs |
В31 |
TU 14-1-5349-97, TU 14-104-65-86, TU 14-104-168-97 |
| Steel pipes and fittings to them |
В62 |
TU 14-3-463-2005, TU 14-159-179-2003, TU 14-159-246-94 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
As |
| TU 14-104-65-86 |
0.33-0.41 |
≤0.04 |
≤0.04 |
1.3-1.6 |
≤0.25 |
0.4-0.7 |
≤0.25 |
Rest |
- |
≤0.08 |
| TU 14-104-168-97 |
0.33-0.41 |
≤0.04 |
≤0.04 |
1.3-1.6 |
≤0.25 |
0.4-0.7 |
≤0.25 |
Rest |
≤0.3 |
- |
| TU-1468-005-65392821 |
0.33-0.41 |
≤0.04 |
≤0.04 |
1.3-1.6 |
≤0.25 |
0.4-0.7 |
≤0.25 |
Rest |
≤0.25 |
- |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
| The tubular billet in sadaani delivery on the other 14-104-65-86 |
|
≥490 |
≥686 |
≥12 |
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 |
