SUS 420J1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J1

JIS SUS 420J1

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This page is mainly introduced the SUS 420J1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold finished stainless steel bars

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS 420J 1FB JIS Japan
SUS 420J 1TKA JIS Japan
SUS 420J1 JIS Japan
SUS 420J1 JIS Japan
SUS 420J1 JIS Japan
SUS 420J1 JIS Japan
SUS 420J1 JIS Japan

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 134~867 σb/MPa
Yield Strength 197 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 644~738 -
HRC 30 -

Physical Properties

Thermal expansion 31-07 e-6/K
Thermal conductivity 78-59 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0609-0378 째C
Density 2357-0214 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 420J1 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