SKS4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKS4

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JIS SKS4

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This page is mainly introduced the SKS4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKS4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKS4
  • Steel Garde:SKS4
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:shock-resistant steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SKS41 JIS Japan
SKS43 JIS Japan
SKS44 JIS Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 324~131 σb/MPa
Yield Strength 798 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 060~175 -
HRC 30 -

Physical Properties

Thermal expansion 83-77 e-6/K
Thermal conductivity 04-37 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3392-1068 째C
Density 1421-8895 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)
SKS4 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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