Adjunct to E280 Volume II -- Reference Radiographs for Heavy-Walled (4 1/2 to 12-in. (114 to 305-mm)) Steel Castings

Reference Radiographs are nondestructive testing standards universally accepted because of their high reliability in accept-reject actions.

These reference radiographs for heavy-walled steel castings are applicable to nominal section thicknesses of 4-1/2 to 12 in. ( 114 to 305 mm) and consist of two sets as follows:

• RRE028002 — (Volume II): 4-MV to 30 MVX Rays.

Each volume consists of three categories of graded discontinuities in increasing levels of severity, and three categories of ungraded discontinuities furnished as examples only.