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 wire rods

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 728~875 σb/MPa
Yield Strength 404 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 536~053 -
HRC 30 -

Physical Properties

Thermal expansion 16-48 e-6/K
Thermal conductivity 39-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1101-2255 째C
Density 0572-4997 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