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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.
Stainless steel wire rods

Steel Garde:CNS 321
Type:Stainless Steels
Country:China
Standard:CNS

Standard Number:

ITEM	Standard Number	Descriptions
1	G3067	Stainless steel bars
2	G3077	Stainless steel wire rods
3	G3076	Stainless steel wires

Metallographic Structure:Austenite
Application:Stainless steel wire rods

Relevant products:

S32168/321/S32100/1-4541 Tube

S32169/321H/S32109/1-4940 Tube

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 S32100	SAE	USA
A 249 S32100	SAE	USA
A 269 S32100	SAE	USA
A 276 S32100	SAE	USA
A 313 S32100	SAE	USA
A 314 S32100	SAE	USA
A 358 S32100	SAE	USA
A 409 S32100	SAE	USA
A 473 S32100	SAE	USA
A 580 S32100	SAE	USA
A 632 S32100	SAE	USA
A 778 S32100	SAE	USA
A 813 S32100	SAE	USA
A 965 S32100	SAE	USA
A814 S32100	SAE	USA
F738 Class A2-50 S32100	SAE	USA
F738 Class A2-70 S32100	SAE	USA
F738 Class A2-80 S32100	SAE	USA
F836 Class A2-50 S32100	SAE	USA
F836 Class A2-70 S32100	SAE	USA
F836 Class A2-80 S32100	SAE	USA
S32100	AISI	USA
SA-240 S32100	AMS	USA
SA-358 S32100	AMS	USA
SA-403 S32100	AMS	USA
SA-813 S32100	AMS	USA
SA-814 S32100	AMS	USA
SA-965 S32100	AMS	USA
A 240 S32109	SAE	USA
A 249 S32109	SAE	USA
A 358 S32109	SAE	USA
A 813 S32109	SAE	USA
A 814 S32109	SAE	USA
A 965 S32109	SAE	USA
S32109	AISI	USA
SA-240 S32109	AMS	USA
SA-403 S32109	AMS	USA
SA-813 S32109	AMS	USA
SA-814 S32109	AMS	USA
SA-965 S32109	AMS	USA
KSUS321	NKK	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan
SUS 321	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.045
S		0.030
Ni	9.00	13.00
Cr	17.00	19.00
Mo
Ti	5×C%

Mechanical Properties

Tensile strength	528～625	σb/MPa
Yield Strength	874	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	473～718	-
HRC	30	-

Physical Properties

Thermal expansion	11-36	e-6/K
Thermal conductivity	47-14	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1315-3772	째C
Density	0445-0616	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 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