1.1 本规范涵盖通过电解工艺涂覆的热轧和冷轧钢板。涂层可以由纯金属或金属合金组成。有关具体涂层，请参阅规范 A879/A879M 和 A918型 . 1.2 产品应涂覆在一个或两个表面上，两个表面上的涂层质量相等或不同。在每个表面上涂有相同涂层质量的板材在每个表面上具有相似的防腐等级。然而，通常情况下，一个表面需要比另一个表面更高级别的防腐。在这些情况下，一个表面的涂层质量应比另一个表面重。与未涂漆表面相比，指定涂漆的任何表面都将提供额外的防腐保护。 1.3 这种涂层工艺基本上不会影响母材的机械性能，允许在任何级别的热轧或冷轧钢板上使用。涂层钢板可用作商品钢（CS）、拉拔钢（DS）、深冲钢（DDS）、超深冲钢（EDDS）、结构钢（SS）、高强度低合金钢（HSLAS）、可成形性改善的高强度低合金钢（HSLAS-F）、固溶硬化钢（SHS）或烘烤硬化钢（BHS）。 1.4 以国际单位制表示的数值应视为标准。 1.5 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 hot-rolled and cold-rolled steel sheet coated by the electrolytic process. Coatings can be comprised of pure metals or metal alloys. For specific coatings, refer to Specifications A879/A879M and A918 . 1.2 The product shall be coated on one or both surfaces with equal or differential coating masses on the two surfaces. Sheet-coated with equal coating masses on each surface has similar levels of corrosion protection on each surface. Often, however, a higher level of corrosion protection is required on one surface than is required on the other. In these situations, one surface shall be specified with a heavier coating mass than the other. Either surface, when specified to be painted, will provide additional corrosion protection as compared to an unpainted surface. 1.3 This coating process has essentially no effect on the base metal mechanical properties, and use is permitted on any grade of hot-rolled or cold-rolled steel sheet. The coated sheet is available as Commercial Steel (CS), Drawing Steel (DS), Deep Drawing Steel (DDS), Extra-Deep Drawing Steel (EDDS), Structural Steel (SS) High-Strength Low-Alloy Steel (HSLAS), High-Strength Low-Alloy Steel with Improved Formability (HSLAS-F), Solution-Hardened Steel (SHS), or Bake-Hardenable Steel (BHS). 1.4 The values stated in SI units are to be regarded as the standard. 1.5 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.