UNE 14605:1979
PRACTICAS RECOMENDADAS PARA EL EXAMEN RADIOGRAFICO DE LAS UNIONES SOLDADAS A TOPE POR FUSION EN CHAPAS DE ACERO DE ESPESOR ENTRE 50 MM Y 200 MM
RECOMENDED PRACTIQUE FOR RADIOGRAPHIC EXAMINATION OF FUSION WELDED BUTT JOINTS IN STEEL PLATES THICKER THAN 50 MM AND UP TO AND INCLUDING 200 MM IN THICKNESS.