S31000 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31000

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SAE S31000

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This page is mainly introduced the S31000 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31000,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic Chromium Nickel Heat Resisting Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.25
Si   1.50
Mn   2.00
P   0.045
S   0.03
Cr 24.00  26.00
Ni 19.00  22.00
Mo   1.00
Cu   1.00

Mechanical Properties

Tensile strength 790~767 σb/MPa
Yield Strength 314 σ 0.2 ≥/MPa
Elongation 46 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 616~274 -
HRC 30 -

Physical Properties

Thermal expansion 16-14 e-6/K
Thermal conductivity 86-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6183-6878 째C
Density 2194-5161 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)
S31000 Stainless Steels 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