Alloy BM2

Designation

Name The value
Designation GOST Cyrillic ВМ2
Designation GOST Latin BM2
Transliteration VM2
By 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, and their alloys В51 OST 1 90022-71
Hard alloys, ceramic-metal products and metal powder 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 Rest ≤0.6 ≤0.0035 0.25-0.4 ≤0.01
Mo is the basis.

Mechanical properties

σU, MPa d y, %
Bars deformed in the state of delivery
≥750 ≥10 ≥30

Description mechanical marks

Name Description
σU Limit short-term strength
d Elongation after rupture
y The relative narrowing

Physical characteristics

Temperature Е, HPa r, kg/m3
20 330 10200

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
С Specific heat