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).
Primarily for hydraulic pressure lines. This specification has been 'CANCELLED' by the Aerospace Materials Division, SAE, as of September 1996. Alloy: C65500 UNS Number: C65500