SKH59 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH59

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JIS SKH59

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This page is mainly introduced the SKH59 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH59,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKH59
  • Steel Garde:SKH59
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:W-phase system high-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 264~247 σb/MPa
Yield Strength 128 σ 0.2 ≥/MPa
Elongation 75 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 866~825 -
HRC 30 -

Physical Properties

Thermal expansion 32-52 e-6/K
Thermal conductivity 86-95 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7229-2882 째C
Density 1589-9248 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)
SKH59 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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