Fandem QA
Each of welding processes has some disadvantages and limitations; For instance existence of welding imperfections that might be due to poor workmanship or design issues such as cracks, porosity, lack of fusion, incomplete penetration, spatters and others. Failure of Schenectady T2 tanker in 1943 is a good example of brittle fracture where the crack initiated due to presence of notches in steels that are sensitive at low temperature
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