![]() They can be classified into two major categories: internal welding defects and external welding defects. ![]() Weld irregularities occur for a variety of reasons and it results in different welding defects. In some cases, the metal can be repaired, but at other times the metal itself has melted and the welding procedure needs to be restarted. When a welded metal has a welding defect present, there are multiple options for resolving the issue. Common causes of welding defects come from incorrect welding patterns, material selection, skill, or machine settings, including welding speed, current, and voltage. They may also take place in the form of discontinuity or in material properties. Imperfections may arise dimensionally, wherein the result is not up to standard. It is defined as the point beyond the acceptable tolerance in the welding process. ![]() A weld defect results from a poor weld, weakening the joint. ![]()
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