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SUS303Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS303Cu

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AMS SUS303Cu

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This page is mainly introduced the SUS303Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS303Cu,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for stainless steel bars

Steel Garde:SUS303Cu
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA/JIS G4303 Specification for stainless steel bars
Metallographic Structure:Austenite
Application:Specification for stainless steel bars

ITEM	Standard Number	Descriptions
1	SA/JIS G4303	Specification for stainless steel bars

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
303 Cu	UNS	USA
SUS 303Cu	FED	Japan
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	893～790	σb/MPa
Yield Strength	536	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	282～590	-
HRC	30	-

Physical Properties

Thermal expansion	89-18	e-6/K
Thermal conductivity	29-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7455-1583	째C
Density	3102-6033	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)
SUS303Cu 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