Steel 60S2

  • 70G steel
  • Steel 60S2HFA
  • Steel 60KhFA (60KhF)
  • Steel 65
  • Steel 65G (65G1)
  • Steel 65GA
  • Steel 65S2VA
  • Steel 68A
  • Steel 68GA
  • Steel 70
  • Steel 60S2HG
  • Steel 70G2
  • Steel 70S2HA (EI142)
  • Steel 70C3A
  • 70KhGFA steel
  • Steel 75
  • Steel 80
  • Steel 85
  • KT-2 steel
  • KT-3 steel
  • Steel 55S2A
  • Steel 3K-7
  • Steel 40P
  • Steel 50RA (50P)
  • 50KhG steel
  • 50KhGA steel
  • 50KhGFA steel
  • Steel 50KhFA (50KhF)
  • 51KhFA steel
  • Steel 55C2
  • Steel 60С2Х (60С2ХА; 60С2ХАA)
  • Steel 55S2GF
  • Steel 55KhGR
  • Steel 55KhFA (55KhF)
  • 60G steel
  • Steel 60C2
  • Steel 60S2A
  • Steel 60S2G
  • Steel 60C2H2A

    • Designation

    Name The value
    Designation GOST Cyrillic 60С2
    Designation GOST Latin 60C2
    Transliteration 60S2
    By chemical elements 60С2

    Description

    60S2 steel is used: for the manufacture of hot rolled plates; heavy-duty springs, torsion shafts, spring rings and washers, collets, friction discs measuring tapes.

    Note

    Steel spring alloy quality.

    Standards

    Name Code Standards
    Sheets and strips В23 GOST 103-2006
    Bars and shapes В32 GOST 1051-73, GOST 7417-75, GOST 7419-90, GOST 8559-75, GOST 8560-78, GOST 14955-77, GOST 14959-79, TU 14-1-2118-77, TU 14-1-501-73, TU 14-11-245-88, TU 14-136-367-2008
    Bars and shapes В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006
    Steel wire medium and high carbon В72 GOST 26366-84
    Sheets and strips В33 GOST 4405-75, TU 14-1-1409-75, TU 14-1-1986-77, TU 14-130-278-96
    Tape В34 STP М334-80

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu
    GOST 14959-79 0.57-0.65 ≤0.035 ≤0.035 0.6-0.9 ≤0.3 1.5-2 ≤0.25 Rest ≤0.2
    Fe is the basis.

    Mechanical properties

    Section, mm t отпуска, °C sT|s0,2, MPa σU, MPa d5, % d4 y, % KCU, kJ/m2 HB, MPa HRC
    Cold-rolled steel strip at STP М334-80. After annealing
    0.15-3 - - ≥900 - ≥8 - - - -
    Rolled steel. Quenching in oil from 850 °C + Vacation
    - 300 - - ≥5 - ≥27 ≥196 ≥465 -
    The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C
    - - ≥1100 ≥1270 11-13 - ≥33 ≥235 - -
    Sheet. Isothermal annealing with 860-880 °C in molten salt (tсоли=310-330 °C) + vacation at 310-330 °C, air cooling
    ≤10 - ≥1590 ≥1760 ≥12 - ≥50 ≥608 - 47-50
    Rolled steel. Quenching in oil from 850 °C + Vacation
    - 400 - ≥1680 ≥7 - ≥34 ≥196 ≥425 -
    The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C
    - - ≥930 ≥1220 ≥15 - ≥44 ≥422 - -
    Rolled steel. Quenching in oil from 850 °C + Vacation
    - 500 - ≥1300 ≥10 - ≥42 ≥226 ≥345 -
    The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C
    - - ≥820 ≥950 ≥19 - ≥71 ≥432 - -
    Spring. Wrapped at 850-870 °C, quenching in oil + Vacation at 430-460 °C, air cooling
    - - - - - - - - 388-477 -
    Rolled steel. Quenching in oil from 850 °C + Vacation
    - 600 - ≥1030 ≥17 - ≥48 - ≥295 -
    The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C
    - - ≥510 ≥590 ≥23 - ≥87 ≥422 - -
    Spring. Quenching in oil with 850-870 °C + Vacation at 400-450 °C, air cooling
    - - - - - - - - 387-418 -
    Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Quenching in oil from 870 °C to + vacation at 470 °C
    - ≥1175 ≥1270 ≥6 - ≥25 - - -
    Samples with a diameter of 10 mm, a length of 50 mm after rolling. The rate of deformation of 20 mm/min strain Rate 0,007 1/C
    - - ≥83 ≥97 ≥66 - ≥97 - - -
    - - ≥55 ≥67 ≥62 - ≥96 - - -
    - - ≥35 ≥42 ≥61 - ≥100 - - -
    - - ≥20 ≥26 ≥78 - ≥100 - - -
    - - ≥12 ≥15 ≥90 - ≥100 - - -
    Rolled steel. Quenching in oil from 860 °C to + Vacation at 425 °C, air cooling
    - - ≥1370 ≥1670 ≥10 - ≥40 - - -
    - - ≥1220 ≥1550 ≥20 - ≥55 - - -
    - - ≥1080 ≥1270 ≥25 - ≥75 - - -

    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
    d4 Elongation after rupture
    y The relative narrowing
    KCU Toughness
    HB Brinell hardness number
    HRC Rockwell hardness (indenter diamond spheroconical)

    Physical characteristics

    Temperature Е, HPa G, HPa r, kg/m3 l, W/(m · °C) a, 10-6 1/°C С, J/(kg · °C)
    0 212 82 7680 28 - -
    20 212 - 7680 28 - -
    100 206 80 7660 29 118 510
    200 198 77 7630 29 127 510
    300 192 74 7590 30 133 520
    400 181 69 7570 30 137 535
    500 178 68 7520 30 141 565
    600 158 60 - 29 145 585
    700 144 54 - 29 144 620
    800 134 50 - 28 144 620
    1000 - - - - 122 700

    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
    a The coefficient of linear expansion

    Technological properties

    Name The value
    Weldability does not apply to welded structures
    Склонность к отпускной хрупкости tend not
    The temperature of forging Start - 1200 °C, the end - of 800 °C. the cooling of the workpiece cross-section up to 250 mm in the air, 251-300 mm - in the pit
    Flock-sensitive sensitivity not sensitive
    Machinability In hot-rolled condition at 270-320 HB and blower SB=1080 MPa Kn TV.SPL.=0,70 Kn b.St.=0,27