This specification covers the requirements for copper-nickel-zinc and copper-nickel rods and bars used in general engineering applications.
Depending on your industry, the "upd" (updated) PDF you are looking for likely falls into one of these categories: 1. ASTM B151: Copper-Nickel-Zinc Alloy Rod and Bar
While often colloquially called "ASME B151," this is actually a series of standards published by the Plastics Industry Association (PLASTICS) and ANSI. It is the primary safety standard for injection molding in North America.