CNS 420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 420F

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CNS CNS 420F

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This page is mainly introduced the CNS 420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 420F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard martensite stainless steel
  • Steel Garde:CNS 420F
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:CNS standard martensite stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 652~565 σb/MPa
Yield Strength 487 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 059~886 -
HRC 30 -

Physical Properties

Thermal expansion 79-12 e-6/K
Thermal conductivity 77-93 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2947-1482 째C
Density 1077-4918 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)
CNS 420F 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