Alloy ВМ3
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ВМ3 |
| Designation GOST Latin |
BM3 |
| Transliteration |
VM3 |
| The chemical elements |
ВCu3 |
Description
Alloy ВМ3 used: for the production of ingots-blanks with diameters of 97 and 91 mm, obtained by remelting ingots-electrodes electron-beam melting in a vacuum arc furnace and used for the manufacture of special purpose parts and components of aerospace engineering.
Note
Molybdenum wrought alloy.
Standards
| Name |
Code |
Standards |
| Solid alloys, metal-ceramic products and powders, metal |
В56 |
TU 14-1-4198-87, TU 14-1-4199-87, TU 14-1-4200-87 |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
TU 48-19-389-84 |
Chemical composition
| Standard |
C |
Ti |
Mo |
Zn |
Nb |
| TU 48-19-389-84 |
0.2-0.3 |
0.1-0.4 |
≥96.65 |
0.5-0.85 |
1.3-1.8 |
Mo is the basis.
According to TU 48-19-389-84 the chemical composition for the VM-3P alloy obtained by remelting the ingots-electrodes of electron-beam smelting in a vacuum arc furnace is given.
Mechanical characteristics
| σB, MPa |
d |
y, % |
| Bars recrystallized in the state of delivery |
| ≥500 |
2-8 |
1-40 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d |
Elongation after rupture |
| y |
The relative narrowing |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
| 20 |
330 |
10220 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| С |
Specific heat |
