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SAE AMS4276

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SAE AMS4276 Revision B, February 1, 2018 Aluminum Alloy, Sheet 4.4Cu - 1.5Mg - 0.60Mn (2024-O) Annealed, Fine Grained
Quantity

Description / Abstract: Form

This specification covers an aluminum alloy in the form of sheet 0.020 to 0.126 inch (0.51 to 3.20 mm), inclusive, in nominal thickness, with fine grain structure (see 8.5).

Application

This sheet has been used typically for severely formed structural parts which will be subsequently heat treated and painted or otherwise protected from corrosion, but usage is not limited to such applications.

Certain design and processing procedures may cause this sheet to become susceptible to stress-corrosion cracking after heat treatment; ARP823 recommends practices to minimize such conditions.