S31400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31400

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AISI S31400

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This page is mainly introduced the S31400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless and heat resisting steels

Austenitic Chromium Nickel Heat Resisting Steel

S31400

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.25
Si 1.50  3.00
Mn   2.00
P   0.045
S   0.03
Cr 23.0  26.0
Ni 19.0  22.0

Mechanical Properties

Tensile strength 863~522 σb/MPa
Yield Strength 562 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 061~010 -
HRC 30 -

Physical Properties

Thermal expansion 42-14 e-6/K
Thermal conductivity 25-10 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5575-7938 째C
Density 2614-2847 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)
S31400 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