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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

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