标准编号：ISO 4969:2015
中文名称：钢 宏观检验用蚀刻法
英文名称：Steel — Etching method for macroscopic examination
发布日期：2015-07
标准范围
This International Standard establishes guidelines for the macroscopic examination of steel by hotetching, room temperature etching and electrolytic etching.The method has very wide application. Selection of the type, concentration and temperature of thereagent, the etching apparatus and the conditions of surface preparation of the test piece make itpossible to achieve the required aim.NOTE It might be difficult to see fine voids and cracks and discriminate between them and determine theirnature by macroetching.
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