SK3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK3

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JIS SK3

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This page is mainly introduced the SK3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK3
  • Steel Garde:SK3
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Carbon tool steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SK3M JIS Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 538~166 σb/MPa
Yield Strength 734 σ 0.2 ≥/MPa
Elongation 23 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 697~575 -
HRC 30 -

Physical Properties

Thermal expansion 63-14 e-6/K
Thermal conductivity 88-06 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4516-9670 째C
Density 8180-2560 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)
SK3 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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