SUS321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS321TKA

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JIS SUS321TKA

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This page is mainly introduced the SUS321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS321TKA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS321TKA
  • Steel Garde:SUS321TKA
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:ferritic stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 863~622 σb/MPa
Yield Strength 635 σ 0.2 ≥/MPa
Elongation 50 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 676~777 -
HRC 30 -

Physical Properties

Thermal expansion 44-33 e-6/K
Thermal conductivity 62-36 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6772-9605 째C
Density 0283-3985 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)
SUS321TKA 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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