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

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JIS SUS 303

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

Steel Garde:SUS 303
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 4303 (2012) Stainless steel bars
Metallographic Structure:Austenite
Application:Stainless steel bars

ITEM	Standard Number	Descriptions
1	G 4303 (2012)	Stainless steel bars

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 303 Cu	JIS	Japan
SUS 303 Cu	JIS	Japan
SUS 303 Cu	JIS	Japan
SUS 303 Cu	JIS	Japan
SUS 303 Se	JIS	Japan
SUS 303 Se	JIS	Japan
SUS 303 Se	JIS	Japan
SUS 303 Se	JIS	Japan
SUS 303	JIS	Japan
SUS 303	JIS	Japan
SUS 303	JIS	Japan
SUS 303	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
Cr	17.00	19.00
Ni	8.00	10.00
Mo		0.60
N

Mechanical Properties

Tensile strength	460～713	σb/MPa
Yield Strength	394	σ 0.2 ≥/MPa
Elongation	94	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	215～486	-
HRC	30	-

Physical Properties

Thermal expansion	25-77	e-6/K
Thermal conductivity	64-35	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3017-7328	째C
Density	1479-1220	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 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