Alloy MA17

  • Alloy MA17
  • Alloy MA2-2

    • Designation

    Name The value
    Designation GOST Cyrillic МА17
    Designation GOST Latin MA17
    Transliteration MA17
    By chemical elements CuAl17

    Description

    Alloy MA17 is used: for the manufacture of wires ultrasonic delay lines.

    Note

    Alloy with high sound conductivity.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 14957-76
    Sheets and strips В53 OST 4-021.063-78, TU 1-9-185-85

    Chemical composition

    Standard Mn Si Ni Fe Cu Al Zn Ce Mg Be
    GOST 14957-76 0.2-0.7 ≤0.05 ≤0.005 ≤0.05 ≤0.05 ≤0.1 ≤0.1 0.7-1.5 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 d5, % HB, MPa
    Rolled steel in the delivery state
    110-140 190-210 12-14 40-52

    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
    d5 Elongation after rupture
    HB Brinell hardness number