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

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UNS 303 Cu

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This page is mainly introduced the 303 Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 303 Cu,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Chemical compositions of SAE wrought stainless steels

Steel Garde:303 Cu
Type:Stainless Steels
Country:USA
Standard:UNS
Standard Number:

ITEM Standard Number Descriptions

1 SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels
Metallographic Structure:Austenite
Application:Chemical compositions of SAE wrought stainless steels

ITEM	Standard Number	Descriptions
1	SAE J 405 (1998)	Chemical compositions of SAE wrought stainless steels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 303Cu	FED	Japan
SUS303Cu	AMS	USA
S30330	AISI	USA
SUS 303 Cu	JIS	Japan
SUS 303 Cu	JIS	Japan
SUS 303 Cu	JIS	Japan
SUS 303 Cu	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn		2.00
P		0.15
S	0.10
Cr	17.0	19.0
Ni	6.00	10.0
Cu	2.50	4.00
Se	0.10

Mechanical Properties

Tensile strength	171～344	σb/MPa
Yield Strength	965	σ 0.2 ≥/MPa
Elongation	69	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	048～912	-
HRC	30	-

Physical Properties

Thermal expansion	38-63	e-6/K
Thermal conductivity	26-75	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9894-0914	째C
Density	6733-1661	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)
303 Cu 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