1.1 本规范规定了铜铍合金砂铸件的要求。涵盖以下合金: 铜合金 UNS编号。 任命 铜 镍 铍 C81400 70摄氏度 99.1 . 0.06 C82000 10摄氏度 97 . 0.5 C82200 3C、14C 98 2 0.5 C82400 A. 165C、165CT A. 97.8 . 1.7 C82500 A. 20C、20CT A. 97.2 . 2 C82510 21摄氏度 96.6 . 2 C82600 A. 245C，245CT A. 96.8 . 2.4 C82800 A. 275C，275CT A. 96.6 . 2.6 C96700 72摄氏度 67.2 31 1.2 1.2 单位- 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.3 以下安全危险警告仅适用于本规范中所述的试验方法: 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管要求的适用性。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification establishes requirements for sand castings produced from copper-beryllium alloys. The following alloys are covered: Copper Alloy UNS No. Designation Copper Nickel Beryllium C81400 70C 99.1 . 0.06 C82000 10C 97 . 0.5 C82200 3C, 14C 98 2.0 0.5 C82400 A 165C, 165CT A 97.8 . 1.7 C82500 A 20C, 20CT A 97.2 . 2.0 C82510 21C 96.6 . 2.0 C82600 A 245C, 245CT A 96.8 . 2.4 C82800 A 275C, 275CT A 96.6 . 2.6 C96700 72C 67.2 31.0 1.2 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 requirements 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.