Special requirements for wrought steel welding fittings for nuclear and other special applications

The specification provides special requirements for three classes of fittings intended to correspond to Class 1, Class 2, and Class 3 in Section III, Division I of the ASME Boiler and Pressure Vessel Code. The requirements of the specification, which are supplemental to the requirements of the basic material specification, cover test specimen location for quenched and tempered materials, heat treatment, welding, elimination of surface defects, certification and identification, quality assurance, and time of nondestructive examination. Sections on eddy current examination, magnetic particle examination, liquid penetrant examination, radiographic examination, and ultrasonic examination apply in special cases