STS420F2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS420F2

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KS STS420F2

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This page is mainly introduced the STS420F2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS420F2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STS420F2
  • Steel Garde:STS420F2
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:martensitic steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS420F2 KS Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 656~042 σb/MPa
Yield Strength 575 σ 0.2 ≥/MPa
Elongation 09 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 862~100 -
HRC 30 -

Physical Properties

Thermal expansion 14-48 e-6/K
Thermal conductivity 27-45 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7932-3836 째C
Density 6738-5975 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)
STS420F2 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