A 249 S31009 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31009

SAE A 249 S31009

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This page is mainly introduced the A 249 S31009 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31009,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
  • Steel Garde:A 249 S31009
  • Type:Stainless Steels
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    1 A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
  • Metallographic Structure:Austenite
  • Application:Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04  0.10
Si   0.75
Mn   2.00
P   0.045
S   0.03
Cr 24.00  26.00
Ni 19.00  22.00

Mechanical Properties

Tensile strength 096~387 σb/MPa
Yield Strength 633 σ 0.2 ≥/MPa
Elongation 76 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 570~495 -
HRC 30 -

Physical Properties

Thermal expansion 67-98 e-6/K
Thermal conductivity 79-45 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9401-3504 째C
Density 4276-1098 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)
A 249 S31009 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