Designation
| Name |
The value |
| Designation GOST Cyrillic |
16Г2 |
| Designation GOST Latin |
16G2 |
| Transliteration |
16G2 |
| By chemical elements |
16Mn2 |
Description
16Г2 steel is used: for cold forming, including drawing; welded structures.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В33 |
TU 14-1-4118-86, TU 14-1-4118-2004 |
| Bars and shapes |
В32 |
TU 3-738-85 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
| TU 3-738-85 |
0.12-0.2 |
≤0.03 |
≤0.035 |
2-2.4 |
≤0.3 |
0.17-0.37 |
≤0.3 |
Rest |
≤0.3 |
| TU 14-1-4118-86 |
0.12-0.2 |
≤0.03 |
≤0.035 |
2-2.4 |
≤0.3 |
0.17-0.37 |
≤0.3 |
Rest |
- |
| TU 14-1-4118-2004 |
0.12-0.2 |
≤0.03 |
≤0.03 |
2-2.4 |
≤0.3 |
0.17-0.37 |
≤0.3 |
Rest |
- |
Fe is the basis.
In ready-made blanks, with all the requirements of TU 3-738-85, deviations in chemical composition and mass fraction of residual elements are allowed in accordance with GOST 4543.
Mechanical properties
| Section, mm |
σU, MPa |
d4 |
d |
d10 |
HB, MPa |
| Billet hot rolled on the other 3-738-85. Annealing at 800±10 °C or Normalizing at 880±10 °C + High tempering at 650±20 °C (for longitudinal samples) |
| 25 |
≥490 |
- |
≥20 |
- |
≤229 |
| Flats on the other 14-1-4118-2004 |
|
490-670 |
≥16 |
- |
≥18 |
- |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d4 |
Elongation after rupture |
| d |
Elongation after rupture |
| d10 |
Elongation after rupture |
| HB |
Brinell hardness number |
