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 724~905 σb/MPa
Yield Strength 146 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 443~526 -
HRC 30 -

Physical Properties

Thermal expansion 12-01 e-6/K
Thermal conductivity 50-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3890-5679 째C
Density 4217-4315 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