Alloy BM2

  • Alloy BM1
  • Alloy BM2
  • Alloy BM3
  • Alloy BM5
  • MBVP alloy
  • Alloy MS-ZHNH
  • Alloy CM3
  • Alloy TCM-7

    • 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