Short description
This specification covers an aluminum alloy in the form of extruded rods, bars, and profiles (shapes) produced with thicknesses 0.040 to 2.500 inches (1.02 to 38.10 mm), inclusive, having a maximum cross-sectional area of 23 square inches (15000 mm2) and a maximum circumscribing circle diameter (circle size) of 16 inches (406 mm) (see 2.4.1 and 8.7).