1.1 This specification establishes the requirements for copper-nickel-tin alloy rod and bar. The following alloy is included:Copper Alloy UNS No. Nominal Composition, Weight %Cop This specification covers the requirements for UNS C72900 copper-nickel-tin alloy rods and bars. Products should be manufactured by hot working, cold working, and annealing processes to produce a uniform wrought structure in the finished product. Each