SAE AMS 4340E
SAE AMS 4340E
Aluminum Alloy, Extrusions, 6.2Zn 2.3Cu 2.2Mg 0.12Zr, Solution Heat Treated, Stress Relieved, Straightened, and Overaged ( Reaffirmed: Nov 2011 )
standard published 09/01/2006 by SAE International