A 249 S31609 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31609

SAE A 249 S31609

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This page is mainly introduced the A 249 S31609 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S31609,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 S31609
  • 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   1.00
Mn   2.00
P   0.04
S   0.03
Cr 16.0  18.0
Ni 10.0  14.0
Mo 2.00  3.00

Mechanical Properties

Tensile strength 853~877 σb/MPa
Yield Strength 225 σ 0.2 ≥/MPa
Elongation 24 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 309~156 -
HRC 30 -

Physical Properties

Thermal expansion 25-69 e-6/K
Thermal conductivity 15-41 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0000-7828 째C
Density 5064-4014 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 S31609 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