NH9 alloy (Chromel)

  • 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 НХ9
    Designation GOST Latin HX9
    Transliteration NH9
    By chemical elements NiCr9
    Name The value
    Designation GOST Cyrillic Хромель К
    Designation GOST Latin Xpomel K
    Transliteration Hromel K
    By chemical elements Crомель

    Description

    Alloy NH9 applies: for production of wire intended for the manufacture of countervailing wires.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, GOST 492-2006

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu As Al Sb Pb Bi Co Mg Ni+Co
    GOST 492-2006 ≤0.2 ≤0.01 ≤0.003 ≤0.3 8.5-10 ≤0.4 87.129-91.1 ≤0.3 ≤0.25 ≤0.002 ≤0.15 ≤0.002 ≤0.002 ≤0.002 0.4-1.2 ≤0.05 Rest
    Ni is the basis.
    According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.40%.

    Mechanical properties

    Section, mm σU, MPa d HB, MPa
    Wire in the delivery state
    600-700 34-45 150-200
    1100 ≥3 ≥300

    Description mechanical marks

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