SKT4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKT4

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JIS SKT4

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This page is mainly introduced the SKT4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKT4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKT4
  • Steel Garde:SKT4
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Hot-work die 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
    1.2714 DIN Germany

    Chemical composition(mass fraction)(wt.%)

    Mechanical Properties

    Tensile strength 758~581 σb/MPa
    Yield Strength 206 σ 0.2 ≥/MPa
    Elongation 16 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 087~753 -
    HRC 30 -

    Physical Properties

    Thermal expansion 24-57 e-6/K
    Thermal conductivity 64-47 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 7655-9703 째C
    Density 3135-4218 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)
    SKT4 Special Alloy 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

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