STS321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321TKA

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KS STS321TKA

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This page is mainly introduced the STS321TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321TKA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
  • Steel Garde:STS321TKA
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 592~552 σb/MPa
Yield Strength 897 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 836~830 -
HRC 30 -

Physical Properties

Thermal expansion 98-13 e-6/K
Thermal conductivity 72-01 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7654-9748 째C
Density 4214-2928 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)
STS321TKA 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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