21CMoV5-7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21CMoV5-7

EN 21CMoV5-7

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This page is mainly introduced the 21CMoV5-7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21CMoV5-7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • Steel Garde:21CMoV5-7
  • Type:Structural Steel
  • Country:European
  • Standard:EN
  • Standard Number:
    ITEM Standard Number Descriptions
    1 EN 10269-1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • Application:high temperature boiler steels for energy industries

Relevant products:

  • 21CMoV5-7,1.7709,21CRMOV5-11,1.8070 Forgings

    21CMoV5-7,1.7709,2...

  • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    21CMoV5-7 DIN Germany
    1.7709 EN European
    21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070 DIN Germany

    Chemical composition(mass fraction)(wt.%)

    Elements Min.(≥) Max.(≤) Similar Remarks
    C 0.17  0.25
    Mn 0.40  0.80
    Si   0.40
    P   0.030
    S   0.030
    Cr 1.20  1.50
    Ni   0.60
    Mo 0.55  0.80
    V 0.25  0.35
    Al   0.03

    Mechanical Properties

    Tensile strength 234~458 σb/MPa
    Yield Strength 398 σ 0.2 ≥/MPa
    Elongation 81 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 935~661 -
    HRC 30 -

    Physical Properties

    Thermal expansion 31-86 e-6/K
    Thermal conductivity 50-00 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 5152-7753 째C
    Density 5549-1486 kg/m3
    Resistivity 0.50-0.60 Ohm.mm2/m
         

    Heat Treatment Regime

    Annealing

    Quenching

    Tempering

    Normalizing

    Q & T

    Size Availability

    Steel Grade Specification Processing range(mm)
    21CMoV5-7 Structural Steel Round Bar and Hollow Bar Φ1 to Φ2000
    Square and Flat Steel Φ10 to Φ100
    Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
    Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
    Coil and Strip Steel THK:0.1mm Width:1500mm
    Forged Ring/Cylindrical/Disk

    Technical specification/standard for download