American Society for Testing and Materials (ASTM). Current edition approved Oct. 15, 2006. Published October 2006. Originally approved 1965. Last previous edition approved in 2005 as B 422 – 05. 5 p. This specification establishes the requirements for Copper Alloy UNS Nos. C19010, C19020, C19025, C63800, C64725, C70250, C70260, and C70265 sheet and strip.