Steel 60ХГ

  • 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 60ХГ
    Designation GOST Latin 60XG
    Transliteration 60HG
    By chemical elements 60CrMn

    Description

    60ХГ steel is used: for the manufacture of work rolls shtripsovyh and small-section mill for hot rolling of metals.

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe
    0.55-0.65 ≤0.04 ≤0.04 0.8-1 1-1.3 0.17-0.37 ≤0.4 Rest
    Fe is the basis.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa HRC
    Barrel rolls for rail and structural steel and long products mills in the state of delivery
    500 - - - - - 255-302 -
    Rolls diameter up to 600 mm. Fit in the oven at 650 °C (exposure 4 h), the heating rate 100 °C/h to 820-860 °C (exposure 4 h), air cooling to 400 °C, then oven to 360 °With (extract 10 h), the heating rate 100 °C/h to 630-660 °C (aging for 50 h), cooling at 40 °C/h to 400 °C then with 15 °C/h up to 120 °C (exposure 4 h), air cooling (named place of cutting out of samples)
    - 460-520 810-900 15-18 30-38 240-390 229-255 -
    Barrel rolls for rail and structural steel and long products mills in the state of delivery
    950 - - - - - 229-285 -
    Rolls diameter up to 600 mm. Fit in the oven at 650 °C (exposure 4 h), the heating rate 100 °C/h to 820-860 °C (exposure 4 h), air cooling to 400 °C, then oven to 360 °With (extract 10 h), the heating rate 100 °C/h to 630-660 °C (aging for 50 h), cooling at 40 °C/h to 400 °C then with 15 °C/h up to 120 °C (exposure 4 h), air cooling (named place of cutting out of samples)
    - 510-550 860-910 15-17 32-36 270-290 241-255 -
    Rolls supplied
    600 440-550 800-910 ≥18 ≥38 ≥350 - -
    Rolls diameter up to 600 mm. Fit in the oven at 650 °C (exposure 4 h), the heating rate 100 °C/h to 820-860 °C (exposure 4 h), air cooling to 400 °C, then oven to 360 °With (extract 10 h), the heating rate 100 °C/h to 630-660 °C (aging for 50 h), cooling at 40 °C/h to 400 °C then with 15 °C/h up to 120 °C (exposure 4 h), air cooling (named place of cutting out of samples)
    - 440-550 800-910 15-20 36-41 270-440 229-255 -
    - 430-540 810-920 12-18 28-36 240-340 229-255 -
    Rolls mills. Surface hardening with heating HDTV + Low vacation + Cooling
    - - - - - - - 51-63
    Rolls with a diameter of 600 mm. SV Fit in the oven at 630-660 °C (exposure 8 h), air cooling to 330-360 °C, heating rate of 100 °C/h to 820-860 °C (exposure 4 h), air cooling to 330-360 °C (exposure 6 h), the heating rate 100 °C/h to 630-660 °C (extract 40-50 h), air cooling (named place of cutting out of samples)
    - 390-580 710-950 14-21 28-51 150-590 207-269 -
    Rolls mills. Surface hardening with heating HDTV + Low vacation + Cooling
    - - - - - - - 42-57
    Rolls with a diameter of 600 mm. SV Fit in the oven at 630-660 °C (exposure 8 h), air cooling to 330-360 °C, heating rate of 100 °C/h to 820-860 °C (exposure 4 h), air cooling to 330-360 °C (exposure 6 h), the heating rate 100 °C/h to 630-660 °C (extract 40-50 h), air cooling (named place of cutting out of samples)
    - 390-580 710-940 14-20 28-52 180-590 207-255 -
    - ≥450 ≥840 ≥15 ≥23 ≥160 ≥241 -

    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
    HRC Rockwell hardness (indenter diamond spheroconical)

    Technological properties

    Name The value
    Weldability Steel is not used for welded structures.
    Склонность к отпускной хрупкости Inclined.
    The temperature of forging Beginning - 1220 °C, the end - of 800 °C. the cross Sections up to 200 mm are cooled in the pit, 201-800 mm is subjected to annealing by recrystallization and single hypothermia.
    Flock-sensitive sensitivity Sensitive.
    Machinability In the normalized and tempered condition at NV 235-285 and blower SB=670 MPa Kn TV.SPL.=0,9 Kn b.St.=0,75.