Alloy Nmcak2-2-1 (Alumel)

  • 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 НМцАК2-2-1
    Designation GOST Latin HMtsAK2-2-1
    Transliteration NMtsAK2-2-1
    By chemical elements NiMnAlCo2-2-1
    Name The value
    Designation GOST Cyrillic Алюмель
    Designation GOST Latin Aljumel
    Transliteration Alyumel
    By chemical elements -

    Description

    Alloy Nmcak2−2-1 applies: for the production of semi-finished products (rods and wire), intended for the manufacture of thermocouples.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, GOST 492-2006
    Wire from nonferrous metals and their alloys В74 TU 48-21-172-72, TU 48-21-686-80, TU 48-21-877-89
    Bars В55 TU 48-21-63-72

    Chemical composition

    Standard C S P Mn Si Ni Fe Cu As Al Sb Pb Bi Co Mg Ni+Co
    GOST 492-2006 ≤0.1 ≤0.01 ≤0.005 1.8-2.7 0.85-1.5 91.477-95.15 ≤0.3 ≤0.25 ≤0.002 1.6-2.4 ≤0.002 ≤0.002 ≤0.002 0.6-1.2 ≤0.05 Rest
    Ni is the basis.
    According to GOST 492-2006, the total mass fraction of impurities is ≤ 0.70%.

    Mechanical properties

    Section, mm σU, MPa d5, % HB, MPa
    Bars in the state of delivery
    500-600 - ≥130
    1000-1100 ≥3.5 250-300

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d5 Elongation after rupture
    HB Brinell hardness number

    Physical characteristics

    Temperature Е, HPa r, kg/m3 R, Mr. · m
    20 182 8500 320

    A description of the physical symbols

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