1.1 本规范 2. 确定了用于阀门、法兰和配件部件铸件的铜、锡、铅和锌合金的要求。该合金的通用商品名为85-5-5-5；正确的标识是铜合金UNS编号C83600。 3. 1.2 所涵盖的铸件用于可能提前制造并从制造商或其他经销商库存供应的产品。 1.3 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。 1.4 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 2 establishes requirements for an alloy having a composition of copper, tin, lead, and zinc, used for component castings of valves, flanges, and fittings. The common trade name of this alloy is 85-5-5-5; the correct identification is Copper Alloy UNS No. C83600. 3 1.2 The castings covered are used in products that may be manufactured in advance and supplied from stock from the manufacturer or other dealer. 1.3 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, which are provided for information only and are not considered standard. 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.