Radiographic examination allows to detect and to determine any welding mismatches (especially the internal ones). The examination makes use of the capability of ionizing radiation (X or γ) to permeate through materials and to record its effect on a radiographic film.

To conduct the radiographic examination we use radioactive source γ Se75 and Ir192 in gammagraphic cameras of Gammamat and Sentinel type and X-ray tube of Smart and ICM type.