1.1 This specification establishes the requirements for copper-beryllium alloy forgings and extrusions. The following alloys are covered:

Copper Alloy Nominal Composition, % UNS No. Beryllium Cobalt Nickel C17500 0.59 2.6 C17510 0.40 1.8

1.2 The values stated in inch-pound units are the standard. Values given in parentheses are for information only.

1.3 The following safety hazard caveat pertains to Sections 10 and 11 of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.