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

Location » Home » Grades > Stainless Steels > SUS 631

JIS SUS 631

Profile

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 696~270 σb/MPa
Yield Strength 554 σ 0.2 ≥/MPa
Elongation 68 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 561~121 -
HRC 30 -

Physical Properties

Thermal expansion 35-71 e-6/K
Thermal conductivity 50-11 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5967-5606 째C
Density 1204-5562 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