American Society for Testing and Materials (ASTM). Current edition approved Feb. 1, 2006. Published February 2006. Originally approved in 1939. Last previous edition approved in 2001 as B 122/B 122M – 01. 7 p. This specification establishes the requirements for copper-nickel-tin alloy, copper-nickel-zinc alloy (nickel silver), and copper-nickel alloy plate, sheet, strip, and rolled bar.