ASTM E 1648 - 95. Standard Reference Radiographs for Examination of Aluminum Fusion Welds

American Society for Testing and Materials (ASTM). 1995, 3 pages.
These reference radiographs illustrate various types and severity levels of discontinuities in aluminum fusion welds that may be revealed by radiographic examination. These reference
radiographs do not specify the acceptable level of these discontinuities, rather they provide a visual reference for communicating the acceptable level.