Alloy MA14

  • Alloy MA1
  • Alloy MA11
  • Alloy MA12
  • Alloy MA14
  • Alloy MA15
  • Alloy MA19
  • Alloy MA2
  • Alloy MA2-1
  • Alloy MA2-1pch
  • Alloy MA20
  • Alloy MA5
  • Alloy MA8
  • Alloy MA8pch

    • Designation

    Name The value
    Designation GOST Cyrillic МА14
    Designation GOST Latin MA14
    Transliteration MA14
    By chemical elements CuAl14

    Description

    The MA14 alloy used: for the manufacture of semi-finished products (sheets, plates, rods, sheets, tubes, wire, stampings and forgings) by hot deformation; extruded sections with cross sectional area up to 12 cm2 and a diameter of the circumscribed circle of up to 150 mm; ingots and slabs intended for the production of highly loaded parts operating with extreme operating temperature +150 °C — long, up to +200 °C — short-term.

    Standards

    Name Code Standards
    Bars and shapes В52 GOST 13616-97, GOST 13617-97, GOST 13618-97, GOST 13619-97, GOST 13620-90, GOST 13621-90, GOST 13622-91, GOST 13623-90, GOST 13624-90, GOST 13737-90, GOST 13738-91, GOST 17575-90, GOST 17576-97, GOST 19657-84, GOST 29296-92, GOST 29303-92, GOST Р 50066-92, GOST Р 50067-92, GOST Р 50077-92
    Non-ferrous metals, including rare, and their alloys В51 GOST 14957-76
    Bars В55 GOST 18351-73
    Sheets and strips В53 TU 1-4-058-79

    Chemical composition

    Standard Mn Si Ni Fe Cu Al Zn Zr Mg Be
    GOST 14957-76 ≤0.1 ≤0.05 ≤0.005 ≤0.03 ≤0.05 ≤0.05 5-6 0.3-0.9 Rest ≤0.002
    Mg is the basis.
    According to GOST 14957-76 the mass fraction of other impurities is ≤ 0.30%. "Other impurities" include impurities whose permissible content limits are not indicated (≤), as well as impurities not included in the table, the content of which is not determined. Beryllium is not determined, but is introduced by calculation.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d HB, MPa
    Extruded GOST 19657-84. Artificial aging
    ≥245 ≥315 ≥6 ≥60
    Bars and rods, hot-pressed as supplied artificially aged according to GOST 18351-73 (longitudinal samples)
    100-160 ≥235 ≥305 ≥6 -
    160-200 ≥175 ≥265 ≥4 -
    8-100 ≥245 ≥315 ≥6 -

    Description mechanical marks

    Name Description
    sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
    σU Limit short-term strength
    d Elongation after rupture
    HB Brinell hardness number

    Physical characteristics

    Temperature Е, HPa r, kg/m3 l, W/(m · °C) R, Mr. · m a, 10-6 1/°C С, J/(kg · °C)
    20 42 1800 1172 56 - -
    100 - - - - 209 10467
    200 - - - - 26 -

    A description of the physical symbols

    Name Description
    Е The normal elasticity modulus
    r Density
    l Coefficient of thermal conductivity
    С Specific heat