ASTM A153/A153M-2009
中文名称：钢铁构件镀锌层（热浸）规格
英文名称：Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
中标分类：A29 ICS分类：91.190
标准分类编号：AS 页数：
发布日期： 实施日期：2009-05-01 作废日期：
被替代标准：ASTM A153/A153M-2005 代替标准序号：
引用标准：ASTM A143/A143M;ASTM A780;ASTM A90/A90M;ASTM A902;ASTM B487;ASTM B6;ASTM B960;ASTM E376;ASTM F1789;ASTM F1470 采用标准：
补充修订：
备注：
标准摘要：1.1 This specification covers zinc coatings applied by the hot-dip process on iron and steel hardware. The hot-dip galvanizing process consists of parts being immersed in molten zinc for a sufficient time to allow a metallurgical reaction between iron from the steel surface and the molten zinc, resulting in the formation of Zn/Fe alloy layers bonding the coating to the steel surface. 1.2 This specification is intended to be applicable to hardware items that are centrifuged or otherwise handled to remove excess galvanizing bath metal (free zinc). Coating thickness grade requirements reflect this. 1.3 This specification is applicable to orders in either inch-pound units (as A 153) or in SI units (as A 153M). 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 brackets. Each system shall be used independently of the other without combining values in any way. In the case of orders in SI uni
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