Alloy ВМ3

  • 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 ВМ3
    Designation GOST Latin BM3
    Transliteration VM3
    By 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
    Hard alloys, ceramic-metal products and metal powder В56 TU 14-1-4198-87, TU 14-1-4199-87, TU 14-1-4200-87
    Non-ferrous metals, including rare, 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 properties

    σU, MPa d y, %
    Bars recrystallized in the state of delivery
    ≥500 2-8 1-40

    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 10220

    A description of the physical symbols

    Name Description
    l Coefficient of thermal conductivity
    С Specific heat