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

JIS SUS 420J2

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This page is mainly introduced the SUS 420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel wires

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.16  0.25
Si   1.00
Mn   1.00
P   0.06
S   0.03
Cr 12.00  14.00
Ni   0.60
Mo  
N  

Mechanical Properties

Tensile strength 132~723 σb/MPa
Yield Strength 482 σ 0.2 ≥/MPa
Elongation 31 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 898~590 -
HRC 30 -

Physical Properties

Thermal expansion 70-29 e-6/K
Thermal conductivity 25-30 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9292-3974 째C
Density 7621-0146 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)
SUS 420J2 Stainless Steels 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