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The paper summarizes work on reference radiographs over a period of 30 years covering: (a) availability and limitations of American Society for Testing and Materials (ASTM) reference radiograph standards, (b) some correlation work between radiographic quality and strength, (c) problems in mass production of illustrations, and (d) projection of work needed in the field in the near future, including considerations to be given to justify the need for new reference radiograph documents for a particular alloy or fabrication type.
radiography, nondestructive tests, standards, steel castings, bronze castings, aluminum castings, steels, metals, tests, welded joints
Senior metallurgist and NDE specialist, Board of Water Supply, New York, New York