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

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CNS CNS 303

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This page is mainly introduced the CNS 303 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 303,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 303
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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
GH2302	GB	China
A 167 Type 302	SAE	USA
A 240 S30200	SAE	USA
A 276 S30200	SAE	USA
A 313 S30200 Class 1	SAE	USA
A 313 S30200 Class 2	SAE	USA
A 314 S30200	SAE	USA
A 368 S30200	SAE	USA
A 473 S30200	SAE	USA
A 478 S30200	SAE	USA
A 492 S30200	SAE	USA
A 493 S30200	SAE	USA
A 580 S30200	SAE	USA
A 666 S30200	SAE	USA
SA-240 S30200	AMS	USA
SA-666 S30200	AMS	USA
302B	YB	USA
A 167 Type 302B	SAE	USA
A 276 302B	SAE	USA
A 314 302B	SAE	USA
A 473 302B	SAE	USA
A 580 Type 302B	SAE	USA
A 959 Type 302B	SAE	USA
SUS 302B	FED	Japan
A 167 S30215	SAE	USA
A 276 S30215	SAE	USA
A 314 S30215	SAE	USA
A 473 S30215	SAE	USA
A 580 S30215	SAE	USA
S30215	AISI	USA
S30260	AISI	USA
A 314 S43020	SAE	USA
A 473 S43020	SAE	USA
A 581 S43020	SAE	USA
A 582 S43020	SAE	USA
A 895 S43020	SAE	USA
F738 Class F1-45 S43020	SAE	USA
F738 Class F1-60 S43020	SAE	USA
F836 Class F1-45 S43020	SAE	USA
S43020	AISI	USA
A 314 S43023	SAE	USA
A 473 S43023	SAE	USA
A 581 S43023	SAE	USA
A 582 S43023	SAE	USA
A 895 S43023	SAE	USA
S43023	AISI	USA
EVl7	UNS	USA
SUS 302	JIS	Japan
SUS 302	JIS	Japan
SUS 302	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn		2.00
P		0.20
S		0.15
Ni	8.00	10.00
Cr	17.00	19.00
Mo		0.60

Mechanical Properties

Tensile strength	268～312	σb/MPa
Yield Strength	315	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	348～562	-
HRC	30	-

Physical Properties

Thermal expansion	87-59	e-6/K
Thermal conductivity	51-87	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3633-2123	째C
Density	9949-3561	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 303 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