ASTM B 770 : 2021
Current
The latest, up-to-date edition.
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
Hardcopy , PDF
English
01-11-2021
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
B 05
|
| DocumentType |
Standard
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| Pages |
5
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| PublisherName |
American Society for Testing and Materials
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| Status |
Current
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| Supersedes |
1.1This specification establishes requirements for sand castings produced from copper-beryllium alloys. The following alloys are covered:
| Copper Alloy | Designation | Copper | Nickel | Beryllium |
| C81400 | 70C | 99.1 | ... | 0.06 |
| C82000 | 10C | 97 | ... | 0.5 |
| C82200 | 3C, 14C | 98 | 2.0 | 0.5 |
| C82400A | 165C, 165CTA | 97.8 | ... | 1.7 |
| C82500A | 20C, 20CTA | 97.2 | ... | 2.0 |
| C82510 | 21C | 96.6 | ... | 2.0 |
| C82600A | 245C, 245CTA | 96.8 | ... | 2.4 |
| C82800A | 275C, 275CTA | 96.6 | ... | 2.6 |
| C96700 | 72C | 67.2 | 31.0 | 1.2 |
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 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 requirements prior to use.
1.4This 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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| ASTM B 824 : 2017 | Standard Specification for General Requirements for Copper Alloy Castings |
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| ASTM B 846 : 2019 : REV A | Standard Terminology for Copper and Copper Alloys |
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| ASTM B 950 : 2023 | Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys |
| ASTM B 30 : 2022 | Standard Specification for Copper Alloys in Ingot and Other Remelt Forms |
| ASTM B 846 : 2024 | Standard Terminology for Copper and Copper Alloys |
| ASTM B 950 : 2021 : EDT 1 | Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys |
| ASTM E 8/E8M : 2022 | Standard Test Methods for Tension Testing of Metallic Materials |
| ASTM B 950 : 2022 | Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys |
| ASTM B 601 : 2024 | Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast |
| ASTM B 601 : 2018 : REV A | Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast |
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