CNS 420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 420J2

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CNS CNS 420J2

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This page is mainly introduced the CNS 420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 420J2,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 420J2
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:CNS standard martensite stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 856~856 σb/MPa
Yield Strength 920 σ 0.2 ≥/MPa
Elongation 52 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 731~240 -
HRC 30 -

Physical Properties

Thermal expansion 87-14 e-6/K
Thermal conductivity 32-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7738-0432 째C
Density 8978-7262 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 420J2 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