SKH3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH3

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KS SKH3

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This page is mainly introduced the SKH3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde: SKH3
  • Type:Special Alloy
  • Country:Sweden
  • Standard:KS
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
SKH3 JIS Japan
SKH3 KS Sweden
SKH59 KS Korea
SKH59 KS Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 360~650 σb/MPa
Yield Strength 490 σ 0.2 ≥/MPa
Elongation 09 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 369~680 -
HRC 30 -

Physical Properties

Thermal expansion 88-39 e-6/K
Thermal conductivity 60-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1226-1522 째C
Density 7705-7527 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)
SKH3 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