Alloy 52N (ЭИ676; 52N-VI)

  • Alloy 36H
  • Alloy 80HMV (80HMVX3)
  • Alloy 58H (EI792)
  • Alloy 52H (EI676; 52H-VI)
  • Alloy 48NH (EI693)
  • Alloy 47NHR
  • Alloy 47NH (EI563)
  • Alloy 47ND (47ND-VI)
  • Alloy 47H3X
  • Alloy 42NA-VI (EP333)
  • Alloy 42H (EP318; 42NA)
  • Alloy 40K27KhNM with tantalum
  • Alloy 39H
  • Alloy 38NKD (38NKD-VI)
  • Alloy 36NH (EP713)
  • Alloy 35NKT
  • Alloy 35NKG (EK53)
  • Alloy 34NKD
  • Alloy 33HX3 (EP547)
  • Alloy 33NK (33NK-VI)
  • Alloy 32NKh3 (EP546)
  • Alloy 32NKD (EI630A)
  • Alloy 32NK (EP475)
  • Alloy 31NH3G (EP545)
  • Alloy 30NKD (30NKD-VI)
  • Alloy 29NK (29NK-VI)
  • Alloy 18KhTF
  • Alloy 18KhMTF

    • Designation

    Name The value
    Designation GOST Cyrillic 52Н
    Designation GOST Latin 52H
    Transliteration 52N
    By chemical elements 52Ni
    Name The value
    Designation GOST Cyrillic ЭИ676
    Designation GOST Latin EI676
    Transliteration EhI676
    By chemical elements -
    Name The value
    Designation GOST Cyrillic 52Н-ВИ
    Designation GOST Latin 52H-BI
    Transliteration 52N-VI
    By chemical elements 52Ni-ВIr

    Description

    Alloy 52N is used: for the manufacture of preforms, wire and cold-drawn shaped profiles; connections with soft glass grades C90−1, C90−2, С93−2, С94- 1, С95−2 and С93−4.

    Note

    Alloy with an average value of CTE.
    Alloy with a CTE (11,0−11,5)·10-6 deg-1 in the temperature range from -70 to + 550 °C with high permeability and saturation induction of 1.5 T.

    Standards

    Name Code Standards
    Classification, nomenclature and General rules В30 GOST 10994-74
    Tape В34 GOST 14080-78, TU 14-1-2251-77
    Wire, steel, alloy В73 GOST 14081-78, TU 14-1-2005-77, TU 14-1-4602-89
    Bars and shapes В32 GOST 14082-78, TU 14-11-245-88
    Blanks. Of the workpiece. Slabs В31 TU 14-1-3904-84, TU 14-1-4624-89

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu Al Ti Co
    TU 14-1-4624-89 ≤0.015 ≤0.005 ≤0.006 ≤0.4 ≤0.1 ≤0.05 51.5-52.5 Rest ≤0.02 ≤0.02 ≤0.01 ≤0.05
    GOST 10994-74 ≤0.05 ≤0.015 ≤0.015 ≤0.4 ≤0.2 ≤0.2 51.5-52.5 Rest ≤0.2 - - -
    Ni is the basis.
    According to TU 14-1-4624-89, the chemical composition is given for the 52N-VP alloy. Requirements for the content of cobalt, silicon, aluminum and titanium are optional. The oxygen content in the alloy should not be more than 0.0080% and is controlled in every tenth melting.
    According to GOST 10994-74 the chemical composition is given for the alloy grade 52H.

    Physical characteristics

    Temperature r, kg/m3 a, 10-6 1/°C
    20 8200 -
    -100 - 107
    -80 - 107
    -60 - 105
    -40 - 105
    -20 - 105
    100 - 104
    200 - 105
    300 - 106
    400 - 107
    500 - 105

    A description of the physical symbols

    Name Description
    r Density
    a The coefficient of linear expansion

    Technological properties

    Name The value
    The temperature of the inflection point ≥470 °C