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 756~367 σb/MPa
Yield Strength 244 σ 0.2 ≥/MPa
Elongation 74 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 707~256 -
HRC 30 -

Physical Properties

Thermal expansion 40-76 e-6/K
Thermal conductivity 43-93 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2186-1408 째C
Density 7006-0951 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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