SUS 431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 431

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JIS SUS 431

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This page is mainly introduced the SUS 431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 431,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel wire rods

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS 431 JIS Japan
SUS 431 JIS Japan
SUS 431 FB JIS Japan
SUS 431FB JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.20
Si   1.00
Mn   1.00
P   0.04
S   0.03
Cr 15.00  17.00
Ni 1.25  2.50
Mo  
N  

Mechanical Properties

Tensile strength 526~920 σb/MPa
Yield Strength 906 σ 0.2 ≥/MPa
Elongation 82 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 593~893 -
HRC 30 -

Physical Properties

Thermal expansion 64-05 e-6/K
Thermal conductivity 38-90 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6130-7063 째C
Density 3824-7371 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 431 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