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 330~401 σb/MPa
Yield Strength 177 σ 0.2 ≥/MPa
Elongation 81 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 753~178 -
HRC 30 -

Physical Properties

Thermal expansion 66-14 e-6/K
Thermal conductivity 87-44 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3824-6147 째C
Density 2367-7232 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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