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CNS 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 303Se

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CNS CNS 303Se

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This page is mainly introduced the CNS 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 303Se,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 303Se
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard stainless steel austenite size

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS303Se	KS	Korea
CNS 303Se	CNS	China
CNS 303Se	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	288～983	σb/MPa
Yield Strength	716	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	446～776	-
HRC	30	-

Physical Properties

Thermal expansion	56-09	e-6/K
Thermal conductivity	10-13	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3607-3626	째C
Density	5536-6903	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 303Se 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