H22 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H22

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ASTM H22

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This page is mainly introduced the H22 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H22,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-Work Tool Steel

Relevant products:

  • 1.2714(L6, 55NiCrMoV7, SKT4,BH224-5) Hot-Work Mould Steel

    1.2714(L6, 55NiCr...

  • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    H22 SAE USA

    Chemical composition(mass fraction)(wt.%)

    Elements Min.(≥) Max.(≤) Similar Remarks
    C 0.30  0.40
    Si 0.15  0.40
    Mn 0.15  0.40
    P   0.030
    S   0.030
    Cr 1.75  3.75
    Mo  
    V 0.25  0.50
    W 10.00  11.75
    Ni+Cu   0.75

    Mechanical Properties

    Tensile strength 728~309 σb/MPa
    Yield Strength 526 σ 0.2 ≥/MPa
    Elongation 86 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 483~688 -
    HRC 30 -

    Physical Properties

    Thermal expansion 40-44 e-6/K
    Thermal conductivity 87-83 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 7898-8845 째C
    Density 5975-4897 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)
    H22 Tool Die Steels 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