1.1 本规范规定了屋面、泛水、排水沟、落水管以及室外建筑施工用一般金属板件的扁平长度（或线圈）的铅涂层铜板和带材的要求。铅涂层采用热浸法。 1.1.1 根据本规范生产的产品不适用于电气应用。 1.1.2 本产品不用于装饰、装饰或墙板应用。 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。 注1: 建筑施工用铜板和铜带的配套规范是本规范 B370型 . 1.3 以下危险警告与试验方法部分第节有关 17 ，符合本规范。 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，并确定监管限制的适用性。 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 the requirements for lead-coated copper sheet and strip in flat lengths (or in coils) in ounce-weight thicknesses for roofing, flashing, gutters, downspouts, and for the general sheet metalwork for outside building construction. The lead coating is applied by hot dipping. 1.1.1 Products produced to this specification are not intended for electrical applications. 1.1.2 This product is not designed to be used for decorative, ornamental, or wall panel applications. 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. Note 1: A companion specification for copper sheet and strip for building construction is Specification B370 . 1.3 The following hazard caveat pertains to the test method portion, Section 17 , 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.