SKS81M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKS81M

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JIS SKS81M

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This page is mainly introduced the SKS81M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKS81M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKS81M
  • Steel Garde:SKS81M
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Cold rolled special steel strip

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 455~660 σb/MPa
Yield Strength 154 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 520~030 -
HRC 30 -

Physical Properties

Thermal expansion 76-61 e-6/K
Thermal conductivity 39-84 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2198-6807 째C
Density 1488-1473 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)
SKS81M 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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