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

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FED SUS 303Cu

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This page is mainly introduced the SUS 303Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 303Cu,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic stainless steel; B (bars) can be suffixed to the symbol of the grade; Round bars, square bars, hexagonal bars and flat bars, hereafter generically reffered to as "bars".

Steel Garde:SUS 303Cu
Type:Stainless Steels
Country:Japan
Standard:FED

Standard Number:

ITEM	Standard Number	Descriptions
1	G 4303 (2005)	Stainless steel bars
2	G 4308 (2007)	Stainless steel wire rods
3	G 4309 (1999)	Stainless steel wires
4	G 4318 (2007)	Cold finished stainless steel bars

Metallographic Structure:Austenite
Application:Austenitic stainless steel; B (bars) can be suffixed to the symbol of the grade; Round bars, square bars, hexagonal bars and flat bars, hereafter generically reffered to as "bars".

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
303 Cu	UNS	USA
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	278～168	σb/MPa
Yield Strength	847	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	571～658	-
HRC	30	-

Physical Properties

Thermal expansion	25-16	e-6/K
Thermal conductivity	04-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1800-8327	째C
Density	3323-0874	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)
SUS 303Cu 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