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SUS 403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 403

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JIS SUS 403

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This page is mainly introduced the SUS 403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 403,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 403
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

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

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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 403	JIS	Japan
SUS 403	JIS	Japan
SUS 403	JIS	Japan
SUS 403	JIS	Japan
SUS 403	JIS	Japan
SUS 403	JIS	Japan
SUS 403	JIS	Japan
SUS 403 FB	JIS	Japan
SUS 403-WSB	JIS	Japan
SUS 403FB	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		0.50
Mn		1.00
P		0.04
S		0.03
Cr	11.50	13.00
Ni		0.60
Mo
N

Mechanical Properties

Tensile strength	642～827	σb/MPa
Yield Strength	020	σ 0.2 ≥/MPa
Elongation	26	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	921～292	-
HRC	30	-

Physical Properties

Thermal expansion	25-91	e-6/K
Thermal conductivity	41-86	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3142-7962	째C
Density	6569-3215	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 403 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