Designation
| Name |
The value |
| Designation GOST Cyrillic |
70ГЛ |
| Designation GOST Latin |
70GL |
| Transliteration |
70GL |
| By chemical elements |
70Mn |
Description
70GL steel is used: for the manufacture of castings to various industrial purpose.
Standards
| Name |
Code |
Standards |
| Steel castings |
В82 |
GOST 977-88 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Si |
Fe |
| GOST 977-88 |
0.65-0.8 |
≤0.045 |
≤0.045 |
1.1-1.6 |
0.2-0.5 |
Rest |
Fe is the basis.
Mechanical properties
| Section, mm |
σU, MPa |
d |
| Normalization in 790-820 °C + vacation at 580-650 °C, air cooling |
| 100 |
≥785 |
≥4 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d |
Elongation after rupture |