ASTM International - ASTM B870-21
Standard Specification for Copper-Beryllium Alloy Forgings and Extrusions (UNS Nos. C17500, C17510, and C17540)
| Organization: | ASTM International |
| Publication Date: | 1 October 2021 |
| Status: | active |
| Page Count: | 3 |
| ICS Code (Copper and copper alloys): | 77.120.30 |
scope:
1.1 This specification establishes the requirements for copper-beryllium alloy forgings and extrusions. The following alloys are specified:
| Copper Alloy UNS No. | 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.
abstract:
This specification establishes the requirements for copper-beryllium alloy forgings and extrusions. The following alloys are specified: UNS No. C17500 and C17510. The material of manufacture... View More
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