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 609~094 σb/MPa
Yield Strength 248 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 362~683 -
HRC 30 -

Physical Properties

Thermal expansion 17-25 e-6/K
Thermal conductivity 00-93 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0561-9145 째C
Density 8147-3863 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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