SAE AMS4027 Revision P, April 2022 Aluminum Alloy, Sheet and Plate 1.0Mg - 0.60Si - 0.28Cu - 0.20Cr (6061; -T6 Sheet, -T651 Plate) Solution and Precipitation Heat Treated 宽天下标准翻译-SAE AMS4027-2022中文版 SAE AMS4027