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Washington Alloy Aluminum Bronze A-3 contains a higher Iron (Fe) content than Aluminum Bronze A-2. The higher Iron content gives “A-3” greater strength when joining aluminum bronze castings of similar composition

  • Wire Diameter: 1/16 in.
  • Weight: 10 lb
  • Material: Aluminum Bronze A3 (ERCuAl-A3)
  • Tensile Strength: 65,000-110,000 psi
  • Yield Strength: 35,000-48,000 psi
  • Brinell Hardness: 140-185
  • Elongation: 22%
  • Density: 0.269 lbs/in3
  • Thermal Conductivity: 34 Btu
  • Electrical Conductivity: 12.0% IACS
  • Solidus Temperature: 1880 F
  • Liquidus Temperature: 1900 F
  • Chemical Composition - Iron: 2.0-4.5%
  • Chemical Composition - Aluminum: 10.0-11.5%
  • Chemical Composition - Zinc: 0.10%
  • Chemical Composition - Silicon: 0.10%
  • Chemical Composition - Lead: 0.02%
  • Chemical Composition - Copper: Remainder
  • Compliance: AWS A5.7 ERCuAl-A3

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