SUS 321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 321TKA

JIS SUS 321TKA

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This page is mainly introduced the SUS 321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 321TKA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel pipes for machine and structural purposes
  • Steel Garde:SUS 321TKA
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 3446 (2012) Stainless steel pipes for machine and structural purposes
  • Application:Stainless steel pipes for machine and structural purposes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.04
S   0.03
Cr 17.00  19.00
Ni 9.00  13.00
Mo  
Ti 5×C% 

Mechanical Properties

Tensile strength 521~888 σb/MPa
Yield Strength 239 σ 0.2 ≥/MPa
Elongation 91 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 047~713 -
HRC 30 -

Physical Properties

Thermal expansion 04-50 e-6/K
Thermal conductivity 25-46 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1810-4050 째C
Density 4832-1831 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 321TKA 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

Technical specification/standard for download

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