SAE AMS4255D
SAE AMS4255D
Aluminum Alloy, Clad One Side Sheet 0.6Mg - 0.35Si - 0.28Cu (No. 21 Brazing Sheet) As Fabricated (Composition similar to UNS A86951)standard by SAE International, 04/10/2018
standard by SAE International, 04/10/2018
1.1 Form
This specification covers an aluminum alloy in the form of sheet over 0.010 to 0.249 inch (over 0.25 to 6.32 mm) inclusive, in thickness, clad on one side (see 8.4).
1.2 Application
This sheet has been used typically for brazed assemblies that are subjected to heat treatment after joining, but usage is not limited to such applications.