Designation
| Name |
The value |
| Designation GOST Cyrillic |
70Х2ГЛ |
| Designation GOST Latin |
70X2GL |
| Transliteration |
70H2GL |
| By chemical elements |
70Cr2Mn |
Description
70KH2GL 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 |
Cr |
Si |
Fe |
| GOST 977-88 |
0.6-0.75 |
≤0.05 |
≤0.05 |
0.8-1.2 |
1.8-2.2 |
0.2-0.5 |
Rest |
Fe is the basis.
Mechanical properties
| Section, mm |
σU, MPa |
d |
| Normalization at 820-860 °C + vacation at 630-680 °C, air cooling |
| 100 |
≥785 |
≥4 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d |
Elongation after rupture |