321S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 321S31

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321S31

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This page is mainly introduced the 321S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 321S31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
321S31
  • Steel Garde: 321S31
  • Type:Special Alloy
  • Country:UK
  • Application:austenitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 978~260 σb/MPa
Yield Strength 975 σ 0.2 ≥/MPa
Elongation 30 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 732~463 -
HRC 30 -

Physical Properties

Thermal expansion 86-71 e-6/K
Thermal conductivity 78-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9784-0922 째C
Density 2032-2179 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)
321S31 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