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 239~692 σb/MPa
Yield Strength 374 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 390~811 -
HRC 30 -

Physical Properties

Thermal expansion 34-45 e-6/K
Thermal conductivity 38-58 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1777-1515 째C
Density 0342-9833 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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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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