20mn5 steel

20mn5 steel

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MATERIAL SPECIFICATIONS   ※ DIN EN 10083-3 (2006), DIN 17200 (1987)  CHEMICAL COMPOSITION (WEIGHT %) C(%):     0.17~0.23 Si(%):    ≤0.60 Mn(%):   1.00~1.50 P(%)≤:   0.035 S(%)≤:   0.030 Cr(%):    — Mo(%):   — Ni(%):    — Other(%):  Al 0.015~0.050, Cr+Ni+Mo≤ 0.63   MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS Hot working temperature /℃:    1100~850 Heat treatment temperature /℃| annealing:    650~700 Heat treatment temperature /℃| Normalizing:    850~8...


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
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    MATERIAL SPECIFICATIONS  
     DIN EN 10083-3 (2006), DIN 17200 (1987) 
    CHEMICAL COMPOSITION (WEIGHT %)
    C(%):     0.17~0.23
    Si(%):    ≤0.60
    Mn(%):   1.00~1.50
    P(%)≤:   0.035
    S(%)≤:   0.030
    Cr(%):    —
    Mo(%):   —
    Ni(%):    —
    Other(%):  Al 0.015~0.050, Cr+Ni+Mo≤ 0.63
     

    MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS

    Hot working temperature /℃:    1100~850
    Heat treatment temperature /℃| annealing:    650~700
    Heat treatment temperature /℃| Normalizing:    850~880
    Heat treatment temperature /℃| Quenching:     820~850water, 830 ~ 860oil
    Heat treatment temperature /℃| Tempering :    550~660
    Hardness after annealing ≤HBS:    -
    Steel dimension /mm:    ≤16
    |σb≥/MPa:   540 ~ 690
    |σs≥/MPa:    390
    |δ5≥/(%):    22
    |ψ≥/(%):     50
    |AKV≥/J:  69
    Steel dimension /mm:   17 – 40
    |σb≥/MPa:   490 ~ 640
    |σs≥/MPa:    345
    |δ5≥/(%):    20
    |ψ≥/(%):     55
    |AKV≥/J:  69
    Steel dimension /mm:   41 – 100
    |σb≥/MPa:  490 ~ 590
    |σs≥/MPa:    295
    |δ5≥/(%):    18
    |ψ≥/(%):     60
    |AKV≥/J:  76

               

    AVAILABLE SHAPES  
    Black bar /Flat bar / Square bar /Pipe, /Steel strip, /sheet
    Bright – peeled + polishing, centerless grinding
    Forged – ring, tube, pipe casing, discs, shaft
    TYPICAL APPLICATIONS
    Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on. 
    Mechanical gears, gear shaft, main axis, valve rod
    Mechanical parts - connecting rod, bolt and nut
    Multidiameter shaft
    Pressure vessel, seamless pipe
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