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CNS 309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 309S

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CNS CNS 309S

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This page is mainly introduced the CNS 309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 309S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard stainless steel austenite size

Steel Garde:CNS 309S
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard stainless steel austenite size

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
309S24		UK
309S20		UK
STS309S	KS	Korea
CNS 309S	CNS	China
CNS 309S	CNS	China
CNS 309S	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	391～560	σb/MPa
Yield Strength	195	σ 0.2 ≥/MPa
Elongation	92	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	244～362	-
HRC	30	-

Physical Properties

Thermal expansion	22-83	e-6/K
Thermal conductivity	50-74	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1865-9167	째C
Density	9558-7519	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 309S 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