SKT3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKT3

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JIS SKT3

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This page is mainly introduced the SKT3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKT3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKT3
  • Steel Garde:SKT3
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Hot-work die steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 525~002 σb/MPa
Yield Strength 602 σ 0.2 ≥/MPa
Elongation 52 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 507~604 -
HRC 30 -

Physical Properties

Thermal expansion 62-90 e-6/K
Thermal conductivity 42-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5570-9109 째C
Density 7496-3102 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)
SKT3 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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