Short description
This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles (shapes) produced with nominal thickness up to 3.000 inches (76.20 mm), inclusive, and having a cross-sectional area of 42 square inches (271 cm2) maximum and a circumscribing circle diameter (circle size) of 15 inches (38 cm) maximum (see 2.4.1 and 8.8).