1.1 This specification covers the requirements for copper-cobalt-beryllium Alloy UNS C17500 , and copper-nickel-beryllium Alloy UNS C17510, rod and bar in straight lengths.

1.2 The intent is to provide a system of interchangeable alloys.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are for information only.