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SUS403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS403

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JIS SUS403

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This page is mainly introduced the SUS403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS403,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS403

Steel Garde:SUS403
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS403FB	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	863～646	σb/MPa
Yield Strength	785	σ 0.2 ≥/MPa
Elongation	45	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	193～234	-
HRC	30	-

Physical Properties

Thermal expansion	85-80	e-6/K
Thermal conductivity	20-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9406-9079	째C
Density	3963-1598	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)
SUS403 Special Alloy	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