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 150~310 σb/MPa
Yield Strength 486 σ 0.2 ≥/MPa
Elongation 46 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 969~806 -
HRC 30 -

Physical Properties

Thermal expansion 59-38 e-6/K
Thermal conductivity 12-97 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8323-8602 째C
Density 9333-4244 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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