Alloy BM2
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ВМ2 |
| Designation GOST Latin |
BM2 |
| Transliteration |
VM2 |
| The chemical elements |
ВCu2 |
Description
Alloy BM2 is used: for the production of semi-finished products and pressed extra virgin bars; parts of aircraft; details of high-temperature heaters; contacts; switches and switches, telephone relays, light bulbs, and the current in the mercury switches; nozzles for injection molding and continuous casting of aluminium, brass, cast iron and steel.
Note
Molybdenum wrought alloy.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
OST 1 90022-71 |
| Solid alloys, metal-ceramic products and powders, metal |
В56 |
TU 14-1-4198-87, TU 14-1-4199-87, TU 14-1-4200-87 |
Chemical composition
| Standard |
C |
Si |
Ni |
Fe |
Al |
Ti |
Mo |
W |
O |
Zr |
Mg |
| OST 1 90022-71 |
0.005-0.025 |
≤0.01 |
≤0.01 |
≤0.025 |
≤0.01 |
0.03-0.2 |
The rest |
≤0.6 |
≤0.0035 |
0.25-0.4 |
≤0.01 |
Mo is the basis.
Mechanical characteristics
| σB, MPa |
d |
y, % |
| Bars deformed in the state of delivery |
| ≥750 |
≥10 |
≥30 |
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 |
10200 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| С |
Specific heat |
