Alloy Nmc2,5

  • Alloy NMC5
  • Alloy SK
  • Alloy CA
  • Alloy HCM9.5 (Chromel TM)
  • Alloy NXM9 (Chromel KM)
  • Alloy NHC
  • Alloy HC9.5 (Chromel T)
  • Alloy HC9 (Chromel K)
  • Alloy NMtsAK2-2-1 (Alumel)
  • Alloy NMC2.5
  • Alloy NMC2
  • Alloy HMC1
  • Alloy NMMZ 38-2V
  • NKM alloy
  • Alloy NK0.2
  • Alloy HZ

    • Designation

    Name The value
    Designation GOST Cyrillic НМц2,5
    Designation GOST Latin HMts2,5
    Transliteration NMts25
    By chemical elements NiMn2,5

    Description

    Alloy Nmc2,5 is used: for the production of candles automotive, aviation and tractor engines; of wire used in electrical, instrumentation, vacuum and other industries.

    Note

    Nickel manganese.

    Standards

    Name Code Standards
    Wire from nonferrous metals and their alloys В74 GOST 1049-74
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, GOST 492-2006

    Chemical composition

    Standard C S P Mn Si Ni Fe Cu As Sb Pb Bi Mg Ni+Co
    GOST 492-2006 ≤0.1 ≤0.015 ≤0.01 2.3-3.3 ≤0.3 Rest ≤0.4 ≤0.2 ≤0.03 ≤0.002 ≤0.002 ≤0.002 ≤0.1 Rest
    Ni is the basis.
    According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.50%. The mass fraction of cobalt is allowed due to the content of nickel in the amount of ≤ 0.50%.

    Mechanical properties

    Section, mm σU, MPa d5, % d
    Rolled steel in the delivery state
    450-500 - -
    900-1000 ≥3 -
    Cold-drawn wire (0,05-0,60 mm). In the delivery condition
    0.4-5 ≤640 - ≥20
    0.4-5 ≤690 - -

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d5 Elongation after rupture
    d Elongation after rupture

    Physical characteristics

    Temperature Е, HPa r, kg/m3 R, Mr. · m
    20 210 8900 140

    A description of the physical symbols

    Name Description
    Е The normal elasticity modulus
    l Coefficient of thermal conductivity
    R UD. the resistivity
    С Specific heat