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 971~243 σb/MPa
Yield Strength 050 σ 0.2 ≥/MPa
Elongation 50 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 926~588 -
HRC 30 -

Physical Properties

Thermal expansion 77-98 e-6/K
Thermal conductivity 32-97 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4244-1719 째C
Density 7496-4244 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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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

Technical specification/standard for download