ISO 17639-2022 金属材料焊接无损试验--焊接微观和宏观检验

ISO 17639-2022金属材料焊接无损试验--焊接微观和宏观检验【适用范围】This document gives recommendations for specimen preparation, test procedures and their main objectives for macroscopic and microscopic examination.【正文命中】ERNATIONAL ISO STANDARD 17639 Second edition 2022-01 Destructive tests on welds in metallic materials — Macroscopic and microscopic examination of welds Essais destructifs des soudures sur matériaux métalliques — Examens macroscopique et microscopique des assemblages soudés Reference number ISO 17639:2022(E) ？ ISO 2022 ISO 17639:2022(E) COPYRIGHT PROTECTED DOCUMENT ？【中国标准分类】  J33  加工工艺【国际标准分类】  25.160.40-焊接接头现行发布日期：2022-01-01