ISO 9915:1992, Aluminium alloy castings - Radiography testing

Specifies general rules for appropriate implementation of radiographic inspection and stresses the technical specifications to be defined for agreement on discontinuity acceptance criteria by this technique. Annex A gives an extract of ASTM Standard E 155-85 "Standard reference radiographs for inspection of aluminium and magnesium castings" (slightly modified), Annex B grades of limiting acceptable discontinuities, Annex C examples of application of the procedures for discontinuity combination, Annex D an example of commercial design of image quality wire indicators.