This specification covers an aluminum alloy in the form of bars and rods 0.500 inch (12.7 mm) to 8.000 inches (203.2 mm) in nominal diameter or least difference between parallel sides and up to 50 square inches (322.6 square centimeters) in cross-sectional area (see 8.7).
SAE AMS4128E
$30.00
Aluminum Alloy Bars, Rolled or Cold Finished 1.0Mg – 0.60Si – 0.30Cu – 0.20Cr (6061-T451) Solution Heat Treated and Stress Relieved by Stretching