GB/T 5677—2018《铸件射线照相检测》国家标准修订解读

Interpretation of Changes in Revised National Standard GB/T 5677—2018 “Castings—Radiographic Testing”

详细介绍了GB/T 5677-2018《铸件射线照相检测》标准修订过程,详细说明了修订标准与原标准在标准名称、范围、规范性引用文件、订货须知、通则、射线透照技术、底片评定、附录部分之间的差异和修订原因,及现标准与相关的ISO标准、欧洲标准和美国标准技术水平上的差异及特点,并介绍了应用范围。

This article describes the revision of the national standard GB/T 5677 "Castings-Radiographic Testing" from its 2007 to its 2018 version. It details the revision process and the major areas of change in the new standard, and the differences between the 2007 version and the 2018 version in the title, scope, normative reference documents, ordering instructions, general, radiographic technology, film evaluation, appendix and the revised reasons are interpreted. The discrepancies in technological levels between the new national standard GB/T 5677-2018 and the ISO4993-2015 standard, European standard EN12681-2003 and American standard ASTME1030-2015, and the characteristics and application scope of the new standard are also presented briefly.