Designation
| Name |
The value |
| Designation GOST Cyrillic |
36Г2С |
| Designation GOST Latin |
36G2C |
| Transliteration |
36G2S |
| By chemical elements |
36Mn2С |
Description
36G2S steel is used: for the manufacture of seamless drill pipes and couplings to them, used in geological core drilling.
Note
Steel low-alloy silico-manganese.
Standards
| Name |
Code |
Standards |
| Steel pipes and fittings to them |
В62 |
GOST 7909-56, TU 14-3-463-2005, TU 14-159-179-2003, TU 14-159-246-94 |
| Blanks. Of the workpiece. Slabs |
В31 |
TU 14-1-5349-97 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
| GOST 7909-56 |
0.32-0.4 |
≤0.045 |
≤0.04 |
1.5-1.8 |
≤0.3 |
0.4-0.7 |
≤0.4 |
Rest |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
| The seamless geological drill pipe and couplings as supplied by GOST 7909-56 (normalization or hardening with high tempering) |
|
≥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 |
