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 737~996 σb/MPa
Yield Strength 506 σ 0.2 ≥/MPa
Elongation 75 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 324~566 -
HRC 30 -

Physical Properties

Thermal expansion 91-09 e-6/K
Thermal conductivity 13-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5560-0759 째C
Density 6627-6834 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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