Check weld against code and standards. Check size with gauges and prints. Check finish and contour. Check for cracks against standards. Look for overlap. Check undercut. Determine if spatter is at acceptable levels.

Radiographic and ultrasonic weld inspection are the two most common methods of NDT used to detect discontinuities within the internal structure of welds. The obvious advantage of both methods is their ability to help establish the weld's internal integrity without destroying the welded component.

Introduction. Visual Inspection (VT) Radiographic Inspection (RT) Magnetic Particle Inspection (MT) Liquid Penetrant Inspection (PT) Ultrasonic Inspection (UT) Table 1 - Reference Guide to Major Methods for the Nondestructive Examination of Welds. Choices Control Quality.

1 - Radiography is one of the most important, versatile and widely accepted examination methods. X-ray is used to determine the internal soundness of welds. The term 'X-ray quality," widely used to indicate high quality in welds, arises from this inspection method.

Some of these applications include welding procedure qualification and welder performance qualification testing, sampling inspection of production welds, research inspection, and failure analysis work. A number of destructive weld testing methods are used to determine weld integrity or performance.