SKD8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD8

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JIS SKD8

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This page is mainly introduced the SKD8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKD8
  • Steel Garde:SKD8
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Hot-work die steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 856~621 σb/MPa
Yield Strength 869 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 656~614 -
HRC 30 -

Physical Properties

Thermal expansion 03-57 e-6/K
Thermal conductivity 24-05 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5186-7210 째C
Density 8230-5666 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)
SKD8 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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