This British Standard is an adoption of an ISO standard. You can access the ISO version here.
ISO 17639 helps its users to perform tests that reveal the macroscopic or microscopic features of a welded joint.
ISO 17639 is an international standard that specifies gives recommendations for specimen preparation, test procedures, and their main objectives for macroscopic and microscopic examination.
ISO 17639 on macroscopic and microscopic examination of welds useful for:
Destructive weld testing involves the physical destruction of the completed weld in order to evaluate its characteristics. This method of testing is used frequently for a number of applications.
ISO 17639 helps you to assess the structure (including grain structure, morphology and orientation, precipitates and inclusions) independently and/or in relation to various cracks and cavities. ISO 17639 gives guidance on the assessment of features that can be detected by macroscopic and microscopic examination.
Overall, the guidance of ISO 17639 enables you to identify the macroscopic and microscopic features of welded joints.
ISO 17639:2003
EN ISO 17639:2013