1.1 本规范涵盖钢制U形钉、把手、把手和单个箍筋梯级的设计和施工。 1.2 本规范中所述的U形钉、手柄和把手适用于钢结构，包括必要时船舶结构的所有部件。单独的箍筋梯级用于舱壁或结构上，视情况而定。 1.3 以英寸磅为单位的数值应视为标准。括号中给出的值是国际单位制的数学转换，仅供参考，不被视为标准。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《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 design, construction for steel staples, handgrabs, handles, and individual stirrup rungs. 1.2 The staples, handgrabs, and handles depicted in this specification are for use on steel structures including all parts of ships' structure as necessary. The individual stirrup rungs are for use on bulkheads or structure as deemed necessary. 1.3 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. 1.4 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.