S31640 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31640

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AISI S31640

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This page is mainly introduced the S31640 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31640,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic Chromium Nickel Molybdenum Stainless Steel (Columbium Stabilized)
  • Steel Garde:S31640
  • Type:Stainless Steels
  • Country:USA
  • Standard:AISI
  • Metallographic Structure:Austenite
  • Application:Austenitic Chromium Nickel Molybdenum Stainless Steel (Columbium Stabilized)

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 16.0  18.0
Ni 10.0  14.0
Mo 2.00  3.00
N   0.10
Carbon equivalent   10xC≤b≤1.10

Mechanical Properties

Tensile strength 139~566 σb/MPa
Yield Strength 626 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 324~955 -
HRC 30 -

Physical Properties

Thermal expansion 97-77 e-6/K
Thermal conductivity 08-12 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3371-5934 째C
Density 9993-7639 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)
S31640 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