SK5M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK5M

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JIS SK5M

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This page is mainly introduced the SK5M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK5M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK5M
  • Steel Garde:SK5M
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Cold rolled special steel strip

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 841~875 σb/MPa
Yield Strength 250 σ 0.2 ≥/MPa
Elongation 10 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 239~638 -
HRC 30 -

Physical Properties

Thermal expansion 12-97 e-6/K
Thermal conductivity 98-22 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1164-7731 째C
Density 2583-0284 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)
SK5M 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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