1.1 本规范涵盖了高架起重用锻造碳钢螺纹吊环螺栓的化学、物理和机械要求。 1.2 本规范包括两种表示柄样式的类型和两种表示柄长度的样式（均在ASME B 18.15中定义），如下所示: 1.2.1 类型1- 素色图案（直柄）。 1.2.2 类型2- 肩型。 1.2.3 款式A- 长度长。 1.2.4 B型- 长度短。 1.3 以英寸-磅单位表示的值应被视为标准值。本标准不包括其他计量单位。 1.4 本说明书中使用的术语在术语中定义 F1789 除非本文另有定义。 1.5 以下安全危害警告与本质量标准的试验方法部分有关: 本标准并不旨在解决与其使用相关的所有安全性问题（如果有）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践并确定法规限制的适用性。 1.6 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》中确立的国际公认的标准化原则制定的。

1.1 This specification covers chemical, physical and mechanical requirements for forged, carbon steel threaded eyebolts intended for overhead lifting. 1.2 The specification includes two types denoting shank pattern and two styles denoting shank length (both defined in ASME B 18.15) as follows: 1.2.1 Type 1— Plain pattern (straight shank). 1.2.2 Type 2— Shoulder pattern. 1.2.3 Style A— Long length. 1.2.4 Style B— Short length. 1.3 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 The terms used in this specification are defined in Terminology F1789 unless otherwise defined herein. 1.5 The following safety hazard caveat pertains to the test methods portion 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. 1.6 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.