Alloy 95НИ (НР4)

  • Alloy 35BT
  • Alloy 38NHM (ChS129)
  • Alloy 42KhNM (EP630U)
  • Alloy 44NHMT (EP977)
  • Alloy 46KhNM (EP630; 47KhN2M)
  • Alloy 70TM-VD
  • Steel 75N34H8G3 (EP636)
  • Alloy 95Ni (HP4)
  • Alloy BTZ-VD
  • Alloy CrN50MgYu (EC1)
  • Alloy CrN85Mu (EP797)

    • Designation

    Name The value
    Designation GOST Cyrillic 95НИ
    Designation GOST Latin 95HI
    Transliteration 95NI
    By chemical elements 95NiIr
    Name The value
    Designation GOST Cyrillic НР4
    Designation GOST Latin HP4
    Transliteration NR4
    By chemical elements NiHg4

    Description

    Alloy 95НИ used: for the production of hot-rolled and forged bars (ø 21±0.5 mm), intended for the manufacture of cores of oxide cathodes vacuum materials magnetron type.

    Note

    Precision alloy with tantalum with low strength, but high ductility and workability during rolling, including in cold rolling.

    Standards

    Name Code Standards
    Bars and shapes В32 TU 14-1-5090-91

    Chemical composition

    Standard C Mn Si Ni Mg Ta Re
    TU 14-1-5090-91 ≤0.1 ≤0.1 ≤0.1 Rest ≤0.01 0.4-1 3.5-5
    Ni is the basis.
    According to TU 14-1-5090-91, the chemical composition is presented for the 95Ni-IL alloy with tantalum (HP4-IL), melted by a duplex process: vacuum-induction melting followed by electron-beam remelting. The mass fraction of gases should be no more than: oxygen - 0.015%, hydrogen - 0.0015%, nitrogen - 0.0010%. The content of gases is determined for a set of statistical data and is not a rejection sign.

    Technological properties

    Name The value
    Macrostructure and pollution On the surface, and the ends of the bars are not allowed cracks, holes and tears. Allowed scratches and transverse risks, as well as other defects of a mechanical nature, not displaying the bars for minimum dimensions.