ASTM: ASTM B221-03 (Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes)
Characteristics: Lightweight, semi-smooth surface with a dull mill finish.
Workability: Excellent candidate for most processing techniques. High strength heat treatable alloy that offers fair corrosion resistance.
Applications: Commonly machined to end-user specifications. Aircraft, Marine, and Commercial grade parts.