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

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CNS CNS 631-CPS

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

Steel Garde:CNS 631-CPS
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard springs made of cold rolled stainless steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS631-CPS	JIS	Japan
631-CPS	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	055～181	σb/MPa
Yield Strength	688	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	221～355	-
HRC	30	-

Physical Properties

Thermal expansion	80-70	e-6/K
Thermal conductivity	79-68	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3966-8683	째C
Density	3941-1836	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)
CNS 631-CPS Special Alloy	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