Standard Active Last Updated: Apr 19, 2023 Track Document
ASTM B929-23

Standard Specification for Copper-Nickel-Tin Spinodal Alloy Rod and Bar

Standard Specification for Copper-Nickel-Tin Spinodal Alloy Rod and Bar B0929-23 ASTM|B0929-23|en-US Standard Specification for Copper-Nickel-Tin Spinodal Alloy Rod and Bar Standard new BOS Vol. 02.01 Committee B05
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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 product should then be hot or cold worked to the finished size, and if required, should be subsequently annealed to meet the specified temper properties. The tensile strength and Rockwell hardness values from prescribed tests on the products should fall within the required range.


1.1 This specification covers the requirements for copper-nickel-tin alloy UNS No. C72900 rod and bar.

1.2 Units—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.

1.3 The following safety hazard caveat pertains only to the test methods described in 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This 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.

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Book of Standards Volume: 02.01
Developed by Subcommittee: B05.02
Pages: 5
DOI: 10.1520/B0929-23
ICS Code: 77.150.30