Chemistry:2519 aluminium alloy

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Short description: 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

References

  1. Jump up to: 1.0 1.1 1.2 International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys, February 2009
  2. Jump up to: 2.0 2.1 Metallic Materials Properties Development and Standardization, January 2003