It may or may not be considered a defect depending if its presence endangers or not the integrity, the usefulness and the serviceability of the structure. Examples are cracks, seams, laps, porosity or inclusions. What is the difference between Discontinuities and Welding ‐ defects? A discontinuity is an objective lack of material, an interruption in the physical consistence or uniform nature of a part. This paper deals with the various welding defects, their causes and corrective action that should be taken. Defects usually encountered include incomplete penetration, incomplete fusion, undercutting, porosity, and longitudinal cracking. Once the causes are determined, the operator can easily correct the problem. Most defects encountered in welding are due to an improper welding procedure. IV.Welding defects & Remedies WELDING DEFECTS AND REMEDIES INTRODUCTION: With the correct welding conditions, techniques and material quality standards, the arc welding process will yield a very high quality weld deposit.
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