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Aluminum alloy 2219

An age-hardenable aluminum-copper alloy known for weldability and cryogenic performance, widely used in launch vehicle tanks and spacecraft structures.

Known aliases

  • 2219 aluminum
  • AA2219
  • Al 2219

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No evidence-backed relationships are recorded.

Current clusters

science1 publisher

NASA recommends homogenizing large aluminum 2219 ingots before forging them

NASA Technical Bulletin 26-07 recommends homogenizing large aluminum 2219 castings, then deforming them in several directions, to remove corrosion-prone flaws. It says copper segregation left in an ingot cannot be repaired by later forging or heat treatment.

Publishers:nasa.gov

Reality

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Adoption
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