ASTM B0870-21 - Standard Specification for Copper-Beryllium Alloy Forgings and Extrusions (UNS Nos. C17500, C17510, and C17540)
Standard Specification for Copper-Beryllium Alloy Forgings and Extrusions (UNS Nos. C17500, C17510, and C17540)
| Standard number: | B0870-21 |
| Released: | 01.10.2021 |
| Status: | Active |
| Pages: | 3 |
| Section: | 02.01 |
| Keywords: | copper beryllium extrusions; copper beryllium forgings; UNS Alloy C17500; UNS Alloy C17510; UNS Alloy C17540; |
1.1 This specification establishes the requirements for copper-beryllium alloy forgings and extrusions. The following alloys are specified:
| Copper Alloy | Nominal Composition, % | ||
| Beryllium | Cobalt | Nickel | |
| C17500 | 0.50 | 2.6 | ... |
| C17510 | 0.40 | ... | 1.8 |
| C17540 | 0.50 | 1.5 | 1.5 |
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 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, 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.