2519 aluminium alloy

Aluminium copper alloy

AA 2519 is an aluminium alloy principally containing copper (5.3–6.4%) as an alloying element. It also contains 0.25% silicon, 0.30% iron, 0.10–0.50% manganese, 0.05–0.40% magnesium, 0.10% zinc, 0.02–0.10% titanium, 0.05–0.15% vanadium, 0.10–0.25% zirconium, 0.40% silicon-iron compounds, and up to 0.15% trace elements.[1]: 3  The density of 2519 aluminium is 2820 kg/m3.[1]: 16  It was first registered in 1985, in the United States.[1]: 3 

One application for this alloy is in aircraft armor, where it has equivalent ballistic characteristics to AA 7039, and a reduced susceptibility to stress corrosion cracking as compared to AA 5083.[2]: 3-202 

AA 2519-T87 plate is weldable using AA 2319 filler.[2]: 3-202 

Aluminium alloy table

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Aluminium alloys
Introduction
  • Aluminium
  • Aluminium alloys
  • History of aluminium
Al 1000 series (pure)
Al-Cu 2000 series
Al-Mn 3000 series
Al-Si 4000 series
  • 4006
  • 4007
  • 4015
  • 4032
  • 4043
  • 4047
  • 4543
Al-Mg 5000 series
Al-Mg-Si 6000 series
Al-Zn 7000 series8000 series (misc.)
  • 8006
  • 8009
  • 8011
  • 8014
  • 8019
  • 8025
  • 8030
  • 8090
  • 8091
  • 8093
  • 8176
Named alloys

References

  1. ^ a b c International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys, February 2009
  2. ^ a b Metallic Materials Properties Development and Standardization, January 2003
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