SUS420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J2

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JIS SUS420J2

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This page is mainly introduced the SUS420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS420J2
  • Steel Garde:SUS420J2
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS420J2-CPS JIS Japan
SUS420J2FB JIS Japan
SUS420J2TKA JIS Germany

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 275~341 σb/MPa
Yield Strength 160 σ 0.2 ≥/MPa
Elongation 20 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 350~866 -
HRC 30 -

Physical Properties

Thermal expansion 84-64 e-6/K
Thermal conductivity 13-42 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2190-5229 째C
Density 6985-8337 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)
SUS420J2 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