304S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 304S31

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304S31

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This page is mainly introduced the 304S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 304S31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
304S31
  • Steel Garde:304S31
  • Type:Special Alloy
  • Country:UK
  • Application:austenitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 313~270 σb/MPa
Yield Strength 489 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 359~078 -
HRC 30 -

Physical Properties

Thermal expansion 72-49 e-6/K
Thermal conductivity 93-39 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7692-3992 째C
Density 9807-7896 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)
304S31 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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