1.1This specification establishes the requirements for copper-nickel-tin alloy rod and bar. The following alloy is included:

Copper Alloy UNS No.	Nominal Composition, Weight %
	Copper	Nickel	Tin
C72900	77	15	8

1.2Units-The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3The following safety hazard caveat pertains only to the test method(s) described in this specification.

1.4This 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 to determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.