1.1 本规范涵盖0.177英寸。（4.50 mm）直径的金属涂层碳钢带标记张力钢丝，用于链节围栏。0.177英寸。（4.50 mm）直径的金属涂层钢丝应按照规范生产 A817年 。包括三种类型的涂层: 1.1.1 I型- 铝涂层（镀铝）， 1.1.2 II型- 镀锌（镀锌），以及 1.1.3 III型 -锌-5 % 铝-混合金属（Zn5Al MM）合金涂层。 1.2 以英寸-磅单位表示的数值应视为标准。括号中给出的值仅供参考。 1.3 本标准并不旨在解决与其使用相关的所有安全问题（如有）。 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 0.177 in. (4.50 mm) diameter metallic-coated carbon steel marcelled tension wire for use with chain-link fence. The 0.177 in. (4.50 mm) diameter metallic-coated wire shall be produced in accordance with Specification A817 . Three types of coatings are covered: 1.1.1 Type I— Aluminum-coated (aluminized), 1.1.2 Type II— Zinc-coated (galvanized), and 1.1.3 Type III —Zinc-5 % Aluminum Mischmetal (Zn5Al-MM) alloy-coated. 1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 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.