Alloy 36NKHTJU5M (ЭП51)

  • Alloy 40KHNM (EI995)
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  • Alloy 95NLVF (EI996V)
  • Alloy 68NKHVKTU (EP578)
  • Alloy 46NKhT (EP619)
  • Alloy 45NHT (EP218)
  • Alloy 44NCTU
  • Alloy 42NKhTUA (H41KhTA)
  • Alloy 42NKHTU (42NKHTUA)
  • Alloy 40KHMVTU
  • Alloy 36KhNTU (EI702)
  • Alloy 36NKhTYu8M (EP52)
  • Alloy 36NKhTU5M (EP51)
  • Alloy 36NKhTU (EI702)
  • Alloy 21NKMT (VES-130)
  • Alloy 17KhNGT (EI814)
  • Alloy 12KhNKMTU (SP22)

    • Designation

    Name The value
    Designation GOST Cyrillic 36НХТЮ5М
    Designation GOST Latin 36HXTJu5M
    Transliteration 36NHTYu5M
    By chemical elements 36NiCrTeAl5Cu
    Name The value
    Designation GOST Cyrillic ЭП51
    Designation GOST Latin EP51
    Transliteration EhP51
    By chemical elements -

    Description

    Alloy 36NKHTJU5M used: for the manufacture of elastic and provocatively elements operating at temperatures up to +350 °C.

    Note

    Alloy non-magnetic corrosion-resistant dispersion-hardened with a temporary resistance 1375−1765 MN/m2 (140−180 kgf/mm2), with the normal elasticity modulus 196000−206000 MN/m2 (20000−21000 kg/mm2).

    Standards

    Name Code Standards
    Classification, nomenclature and General rules В30 GOST 10994-74
    Tape В34 GOST 14117-85
    Wire, steel, alloy В73 GOST 14118-85
    Bars and shapes В32 GOST 14119-85, TU 14-11-245-88
    Blanks. Of the workpiece. Slabs В31 TU 14-1-2554-78
    Steel pipes and fittings to them В62 TU 14-3-379-75

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Al Ti Mo
    GOST 10994-74 ≤0.05 ≤0.02 ≤0.02 0.8-1.2 12.5-13.5 0.3-0.7 35-37 Rest 1-1.3 2.7-3.2 4-6
    Fe is the basis.

    Mechanical properties

    Section, mm t отпуска, °C sT|s0,2, MPa σU, MPa d5, % d d10 y, % KCU, kJ/m2 HRC
    Cold-rolled steel strip (samples) in the delivery state according to GOST 14117-85. Quenching in water from 965-985 °C + Aging at 700-750 °C (exposure 4 h)
    0.1-0.9 - - ≥1230 - ≥4 - - - -
    1-2 - ≥930 ≥1270 - ≥4 - - - ≥38
    Cold-rolled steel strip as supplied by GOST 14117-85
    0.1-2 - - ≥1100 - - - - - -
    0.1-0.9 - - 930-1230 - ≥2 - - - -
    1-2 - - 930-1230 - ≥3 - - - -
    Cold-rolled steel strip as supplied by GOST 14117-85. Quenching in water with 975-1100 °C
    0.1-0.9 - - ≤930 - ≥15 - - - -
    1-2 - - ≤880 - ≥20 - - - -
    Cold-rolled steel strip as supplied by GOST 14117-85. Aging (in the graph, the temperature of leave is specified aging temperature and aging time)
    - 700-750, 2-4ч 880-1080 1230-1370 - ≥4 - - - -
    - 680-710, 2ч 1180-1370 1370-1520 - ≥2 - - - -
    - 680-710, 2ч 1030-1230 1270-1420 - ≥3 - - - -
    Cold drawn wire in the delivery state according to GOST 14118-85. Aging at 650-710 °C (exposure 2 hours), air cooling (indicated by the value δ100)
    0.3-5 - - ≥1500 - ≥1 - - - -
    0.3-5 - - ≥1370 - ≥1 - - - -
    Bars and rods, hot-rolled, forged and with special surface finish GOST 14119-85. Quenching in water from 965-985 °C + Aging at 700-750 °C (delay of 2-4 h), air cooling
    1-80 - ≥635 ≥1030 - - ≥10 ≥20 ≥290 -
    Pipes cold drawn seamless thin-walled and extremely thin-walled for THAT 14-3-379-75. Aging at 675÷720 °C
    - - ≥1079 - ≥9 - - - - -
    - - ≥1373 - ≥9 - - - - -

    Description mechanical marks

    Name Description
    sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
    σU Limit short-term strength
    d5 Elongation after rupture
    d Elongation after rupture
    d10 Elongation after rupture
    y The relative narrowing
    KCU Toughness
    HRC Rockwell hardness (indenter diamond spheroconical)

    Physical characteristics

    Temperature r, kg/m3
    20 7900

    A description of the physical symbols

    Name Description
    Е The normal elasticity modulus
    G Modulus of elasticity shear torsion
    r Density
    l Coefficient of thermal conductivity
    R UD. the resistivity
    С Specific heat