SK2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK2

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JIS SK2

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This page is mainly introduced the SK2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK2
  • Steel Garde:SK2
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Carbon tool steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SK2M JIS Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 016~779 σb/MPa
Yield Strength 907 σ 0.2 ≥/MPa
Elongation 10 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 515~509 -
HRC 30 -

Physical Properties

Thermal expansion 90-22 e-6/K
Thermal conductivity 85-90 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0628-2359 째C
Density 1648-1303 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)
SK2 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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