1.1 本规范涵盖了具有圆形或方形孔径的多孔板，通常安装在框架中，用作根据指定标称粒径对材料进行分类的精度测试中的筛子。检查穿孔筛板精度的方法作为信息包含在 附录X1 . 注1: 本规范涵盖的多孔板筛用于一般精度测试。某些行业可能需要更严格的筛规格，以用于特殊测试目的。 注2: 其他类型的筛子见规范 E11 和 E161 . 注3: 试验筛使用的完整说明和程序包含在 ASTM STP 447，试验筛选方法手册。 本手册还包含ASTM发布的所有特定材料或行业筛分分析程序标准清单。 1.2 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 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 covers perforated plate with either round or square apertures, normally mounted in a frame for use as sieves in precision testing in the classification of materials according to designated nominal particle size. A method for checking the accuracy of perforated sieve plates is included as information in Appendix X1 . Note 1: The perforated-plate sieves covered by this specification are intended for general precision testing. Some industries may require more restricted specifications for sieves for special testing purposes. Note 2: For other types of sieves see Specifications E11 and E161 . Note 3: Complete instructions and procedures on the use of test sieves are contained in ASTM STP 447, Manual on Test Sieving Methods. This manual also contains a list of all ASTM published standards on sieve analysis procedures for specific materials or industries. 1.2 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 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.