Designation
| Name |
The value |
| Designation GOST Cyrillic |
7ХГ2ВМФ |
| Designation GOST Latin |
7XG2BMF |
| Transliteration |
7HG2VMF |
| By chemical elements |
7CrMn2WMoV |
Description
7KHG2VMF steel is used: for the manufacture of dies of cold bulk deformation and blanking tool of complex configuration, used in the manufacture of products from non-ferrous alloys and low quality of structural steel.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В22 |
GOST 1133-71, GOST 2590-2006, GOST 2591-2006 |
| Sheets and strips |
В33 |
GOST 4405-75 |
| Bars and shapes |
В32 |
GOST 5950-2000, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, TU 14-11-245-88 |
| Blanks. Of the workpiece. Slabs |
В31 |
OST 24.952.01-89 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| GOST 5950-2000 |
0.68-0.76 |
≤0.03 |
≤0.03 |
1.8-2.3 |
1.5-1.8 |
0.1-0.4 |
≤0.4 |
Rest |
≤0.3 |
0.1-0.25 |
≤0.03 |
0.5-0.8 |
0.55-0.9 |
Fe is the basis.
Mechanical properties
| Section, mm |
KCU, kJ/m2 |
HRC |
| Quenching in air from 840-860 °C + Vacation 150-160 °C (the place of cutting of the samples is 1/2R) |
| 100 |
≥360 |
≥60 |
| 15 |
≥500 |
≥61 |
| 25 |
≥450 |
≥61 |
| 50 |
≥400 |
≥60 |
Description mechanical marks
| Name |
Description |
| KCU |
Toughness |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
Technological properties
| Name |
The value |
| The temperature of forging |
Start - 1160 °C, the end - of 800 °C. slow Cooling in the wells. |
