SKD12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD12

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JIS SKD12

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This page is mainly introduced the SKD12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKD12
  • Steel Garde:SKD12
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Cold Work Die Steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 273~910 σb/MPa
Yield Strength 996 σ 0.2 ≥/MPa
Elongation 59 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 384~736 -
HRC 30 -

Physical Properties

Thermal expansion 33-48 e-6/K
Thermal conductivity 33-06 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8041-6473 째C
Density 9469-8600 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)
SKD12 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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