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

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FED SUS 303Se

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This page is mainly introduced the SUS 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 303Se,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic Alloys; Sizes M1.6 through M24
Standard Specification for Stainless Steel Socket Set Screws (Metric)

Steel Garde:SUS 303Se
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:Standard Specification for Stainless Steel Socket Set Screws (Metric)

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
303Se	YB	USA
A 314 303Se	SAE	USA
A 473 303 Se	SAE	USA
A 511 MT303Se	SAE	USA
A 581 Type 303Se	SAE	USA
A 582 Type 303Se	SAE	USA
A 895 Type 303Se	SAE	USA
A 959 Type 303Se	SAE	USA
F 593 303 Se	SAE	USA
F 594 303Se	SAE	USA
F 880 Class A1-50 303Se	SAE	USA
F 880 Class A1-70 303Se	SAE	USA
SUS303Se	AMS	USA
A 314 S30323	SAE	USA
A 473 S30323	SAE	USA
A 581 S30323	SAE	USA
A 582 S30323	SAE	USA
A 895 S30323	SAE	USA
F738 Class A1-50 S30323	SAE	USA
F738 Class A1-70 S30323	SAE	USA
F738 Class A1-80 S30323	SAE	USA
F738 Class A1-80 S30323	SAE	USA
F836 Class A1-50 S30323	SAE	USA
F836 Class A1-70 S30323	SAE	USA
F836 Class A1-80 S30323	SAE	USA
S30323	AISI	USA
SUS 303 Se	JIS	Japan
SUS 303 Se	JIS	Japan
SUS 303 Se	JIS	Japan
SUS 303 Se	JIS	Japan
STS303Se	KS	Korea
303Se	CNS	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn		2.00
P		0.2
S		0.06
Cr	17.0	19.0
Ni	8.00	10.0
Se	0.15

Mechanical Properties

Tensile strength	592～666	σb/MPa
Yield Strength	399	σ 0.2 ≥/MPa
Elongation	13	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	226～321	-
HRC	30	-

Physical Properties

Thermal expansion	95-52	e-6/K
Thermal conductivity	78-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9341-1768	째C
Density	2022-6100	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 303Se 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