SK2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK2M

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JIS SK2M

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This page is mainly introduced the SK2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK2M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK2M
  • Steel Garde:SK2M
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Cold rolled special steel strip

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 828~445 σb/MPa
Yield Strength 681 σ 0.2 ≥/MPa
Elongation 93 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 712~110 -
HRC 30 -

Physical Properties

Thermal expansion 82-23 e-6/K
Thermal conductivity 12-82 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3100-0921 째C
Density 7731-1371 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)
SK2M 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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