ASTM E 381 : 2020现行
Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
出版：American Society for Testing and Materials
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基本信息
标准编号： ASTM E 381 : 2020
标准类别：Standard
出版单位：American Society for Testing and Materials
标准页数：5
标准简介
1.1Macroetching, which is the etching of specimens for macrostructural examination at low magnifications, is a frequently used technique for evaluating steel products such as bars, billets, blooms, and forgings.
本标准替代的旧标准
