Steel 75ХСМФ

  • Steel 45KhNM (45KhNMA)
  • 4X2NMF steel
  • Steel 55X
  • Steel 60Kh2SMF
  • Steel 60CrNiG
  • 60KhN steel
  • 75XM steel
  • Steel 75KhSMF
  • 7X2SMF steel
  • Steel 90KhMF
  • Steel 9Х2МФ (9Х2МФА)

    • Designation

    Name The value
    Designation GOST Cyrillic 75ХСМФ
    Designation GOST Latin 75XCMF
    Transliteration 75HSMF
    By chemical elements 75CrСMoV

    Description

    75ХСМФ steel is used: for the manufacture of working rolls of sheet mills for cold rolling of metals.

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe V Mo
    0.72-0.8 ≤0.03 ≤0.03 ≤0.3 1.2-1.5 0.8-1.2 ≤0.5 Rest 0.1-0.2 0.2-0.3
    Fe is the basis.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
    Forgings. Isothermal annealing at 850 °C (aging 15 hours) + Vacation at 740 °C (exposure for 10 h), air cooling
    235 ≥420 ≥750 ≥24 ≥45 ≥570 -
    250 - ≥730 ≥26 ≥56 710-730 ≤207
    Forgings. Annealing at 780-800 °C (exposure 6 h) + Quenching in oil with 870-890 °C + Vacation at 700-720 °C (exposure 7 h), air cooling
    ≤400 - - - - - 240-275

    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
    y The relative narrowing
    KCU Toughness
    HB Brinell hardness number

    Technological properties

    Name The value
    The temperature of forging Start - 1150 °C, the end - 850 °C.