Alloy Mnmc3-12 (Manganin)

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  • Alloy MNMts3-12 (Manganin)

    • Designation

    Name The value
    Designation GOST Cyrillic МНМц3-12
    Designation GOST Latin MHMts3-12
    Transliteration MNMts3-12
    By chemical elements CuNiMn3-12
    Name The value
    Designation GOST Cyrillic Манганин
    Designation GOST Latin Mahgahih
    Transliteration Manganin
    By chemical elements Cuанганин

    Description

    Alloy Mnmc3−12 is used: for production of wire, ribbon and strip intended for electrical use, manufacturing, instrumentation, instrumentation and electrical engineering.

    Standards

    Name Code Standards
    Wire from nonferrous metals and their alloys В74 GOST 10155-75, GOST 10155-2016, OST 4Г 0.022.008-69, OST 88.0.022.203-74
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, GOST 492-2006

    Chemical composition

    Standard C S P Mn Si Fe Cu As Sb Pb Bi Mg Ni+Co
    GOST 492-2006 ≤0.05 ≤0.02 ≤0.005 11.5-13.5 ≤0.1 ≤0.5 Rest ≤0.005 ≤0.002 ≤0.02 ≤0.002 ≤0.03 2.5-3.5
    Cu is the basis.
    According to GOST 492-2006, the total mass fraction of impurities is ≤ 0.90%.

    Mechanical properties

    Section, mm σU, MPa d HB, MPa
    Wire in the delivery state
    400-550 30-35 ≥120
    800-900 2-4 ≥180

    Description mechanical marks

    Name Description
    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
    20 127 8400 22 435-480

    A description of the physical symbols

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