SUS321FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS321FB

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JIS SUS321FB

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This page is mainly introduced the SUS321FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS321FB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS321FB
  • Steel Garde:SUS321FB
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:austenitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 684~936 σb/MPa
Yield Strength 461 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 112~155 -
HRC 30 -

Physical Properties

Thermal expansion 07-86 e-6/K
Thermal conductivity 58-08 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6605-8523 째C
Density 1169-3163 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)
SUS321FB 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

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