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 080~387 σb/MPa
Yield Strength 447 σ 0.2 ≥/MPa
Elongation 22 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 775~794 -
HRC 30 -

Physical Properties

Thermal expansion 24-43 e-6/K
Thermal conductivity 84-06 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7639-9778 째C
Density 4798-2332 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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