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

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CNS 631CPS

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

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.09
Si   1.00
Mn   1.00
P   0.040
S   0.030
Cr 16.00  18.00
Ni 6.50  7.50
Al 0.75  1.50

Mechanical Properties

Tensile strength 247~315 σb/MPa
Yield Strength 411 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 422~560 -
HRC 30 -

Physical Properties

Thermal expansion 33-22 e-6/K
Thermal conductivity 28-52 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5224-0913 째C
Density 9502-2799 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)
631CPS 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

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