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

Location » Home » Grades > Special Alloy > SKT4

JIS SKT4

Profile

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 509~517 σb/MPa
    Yield Strength 069 σ 0.2 ≥/MPa
    Elongation 95 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 832~840 -
    HRC 30 -

    Physical Properties

    Thermal expansion 52-50 e-6/K
    Thermal conductivity 94-52 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 6152-1687 째C
    Density 0082-5371 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

    Hot keywords:SKT4
    Previous: SKT3
    Next: SKT6