Standard Reference Radiographs for Gray Iron Castings Up to 4 1/2 in. (114 mm) in Thickness
These reference radiographs, along with the referenced applicable steel casting standards (Reference Radiographs E186 and E446), are supplied as a means of establishing categories and severity levels of common internal discontinuity types in gray iron castings subjected to radiographic examination. They may be used in accordance with contractual specifications as agreed upon between purchaser and supplier.
