American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2005. Published November 2005. Originally approved in 1941. Last previous edition approved in 2001 as B 169/B 169M – 01. 4 p. This specification establishes the requirements for Copper Alloy UNS Nos. C61300 and C61400 aluminum bronze sheet, strip, and rolled bar.