STS4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS4

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KS STS4

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This page is mainly introduced the STS4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:STS4
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 043~378 σb/MPa
Yield Strength 432 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 679~429 -
HRC 30 -

Physical Properties

Thermal expansion 36-18 e-6/K
Thermal conductivity 90-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8620-0252 째C
Density 2626-7481 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)
STS4 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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