320S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 320S31

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320S31

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This page is mainly introduced the 320S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 320S31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
320S31
  • Steel Garde:320S31
  • Type:Special Alloy
  • Country:UK
  • Application:austenitic special steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
320S31 UK
320S33 UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 829~243 σb/MPa
Yield Strength 354 σ 0.2 ≥/MPa
Elongation 64 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 593~225 -
HRC 30 -

Physical Properties

Thermal expansion 01-65 e-6/K
Thermal conductivity 81-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6804-5530 째C
Density 2908-3190 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)
320S31 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