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CNS 321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 321

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CNS CNS 321

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This page is mainly introduced the CNS 321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 321,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 321
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard stainless steel austenite size

Relevant products:

S32168/321/S32100/1-4541 Tube

S32169/321H/S32109/1-4940 Tube

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS321FB	JIS	Japan
SUS321HFB	JIS	Japan
SUS321LTP	JIS	Japan
SUS321HTP	JIS	Japan
SUS321TKA	JIS	Japan
321S31		UK
321S51(1010)		UK
321S51(1105)		UK
321S31		UK
A35-586 321F20	AFNOR	France
STS321	KS	Korea
STS321	KS	Korea
STS321TKA	KS	Korea
SS 2321	SS	Sweden
S32168	GBT	China
S32169	GBT	China
E8321	UNE	Spain
411321	CSN	Czech Republic
11321	CSN	Czech Republic
05 5321	CSN	Czech Republic
321	AS	Australia
321	AS	Australia
CNS 321	CNS	China
CNS 321	CNS	China
321TKA	CNS	China
CNS 321	CNS	China
NS321	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	295～447	σb/MPa
Yield Strength	215	σ 0.2 ≥/MPa
Elongation	60	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	998～724	-
HRC	30	-

Physical Properties

Thermal expansion	45-45	e-6/K
Thermal conductivity	82-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6683-0428	째C
Density	9667-8336	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 321 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