SUS 631 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 631

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JIS SUS 631

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This page is mainly introduced the SUS 631 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 631,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold-rolled stainless steel plate, sheet and strip

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS 631 JIS Japan
SUS 631 JIS Japan
SUS 631 JIS Japan
SUS 631 JIS Japan
SUS 631 J1 JIS Japan
SUS 631 J1 JIS Japan
SUS 631-CSP JIS Japan
SUS 631J1-WPC JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.09
Si   1.00
Mn   1.00
P   0.04
S   0.03
Cr 16.00  18.00
Ni 6.50  7.75
Mo  
N  
Al 0.75  1.50

Mechanical Properties

Tensile strength 551~688 σb/MPa
Yield Strength 104 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 407~436 -
HRC 30 -

Physical Properties

Thermal expansion 91-87 e-6/K
Thermal conductivity 56-22 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9823-0012 째C
Density 9473-1063 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 631 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