1.1 本规范涵盖了由轧制、压制和锻造型材、铸件、板材、棒材和带材制成的钢铁产品的热浸镀锌（镀锌）要求。 1.2 本规范涵盖了未加工产品和加工产品，例如，组装钢制品、结构钢制品、镀锌前已弯曲或焊接的大管，以及由未加工钢丝制成的线材。本规范还涵盖在镀锌前制造成零件的钢锻件和铸铁件，或尺寸太大而无法离心（或以其他方式处理以去除多余的镀锌槽金属）的钢锻件和铸铁件。 注1: 本规范涵盖了规范中先前提及的产品 A123 -78和 A386型 -78. 1.3 本规范不适用于在专用或连续线路上镀锌的电线、管道、管子或钢板，或小于22号（0。 0299英寸。）[0.76毫米]厚。 1.4 需离心或以其他方式处理以去除多余锌的五金件（如螺栓和类似螺纹紧固件、铸件以及轧制、压制和锻造件）的镀锌应符合规范要求 A153/A153M . 1.5 本规范涵盖了装配式钢筋组件。单独钢筋的批量镀锌应符合规范要求 A767/A767M 钢筋的连续镀锌应符合规范要求 A1094/A1094M . 1.6 本规范适用于以英寸-磅为单位的订单（如 A123 )或国际单位制（如 A123M ). 英寸-磅单位和国际单位不一定完全等同。在本规范文本中，在适当的情况下，国际单位制显示在括号中。每个系统应相互独立使用，不得以任何方式组合数值。 如果订单采用国际单位制，则所有测试和检验均应使用与测试或检验方法等效的公制单位（视情况而定）。如果订单采用国际单位制，则应在下订单时向镀锌商说明。 1.7 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 the requirements for zinc coating (galvanizing) by the hot-dip process on iron and steel products made from rolled pressed and forged shapes, castings, plates, bars, and strips. 1.2 This specification covers both unfabricated products and fabricated products, for example, assembled steel products, structural steel fabrications, large tubes already bent or welded before galvanizing, and wire work fabricated from uncoated steel wire. This specification also covers steel forgings and iron castings incorporated into pieces fabricated before galvanizing or which are too large to be centrifuged (or otherwise handled to remove excess galvanizing bath metal). Note 1: This specification covers those products previously addressed in Specifications A123 -78 and A386 -78. 1.3 This specification does not apply to wire, pipe, tube, or steel sheet which is galvanized on specialized or continuous lines, or to steel less than 22 gage (0.0299 in.) [0.76 mm] thick. 1.4 The galvanizing of hardware items that are to be centrifuged or otherwise handled to remove excess zinc (such as bolts and similar threaded fasteners, castings and rolled, pressed and forged items) shall be in accordance with Specification A153/A153M . 1.5 Fabricated reinforcing steel bar assemblies are covered by the present specification. The batch galvanizing of separate reinforcing steel bars shall be in accordance with Specification A767/A767M and the continuous galvanizing of reinforcing bars shall be in accordance with Specification A1094/A1094M . 1.6 This specification is applicable to orders in either inch-pound units (as A123 ) or SI units (as A123M ). Inch-pound units and SI units are not necessarily exact equivalents. Within the text of this specification and where appropriate, SI units are shown in parentheses. Each system shall be used independently of the other without combining values in any way. In the case of orders in SI units, all testing and inspection shall be done using the metric equivalent of the test or inspection method as appropriate. In the case of orders in SI units, such shall be stated to the galvanizer when the order is placed. 1.7 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.