Kashif Nazir and Anwar Khalil Sheikh
Losses to society in term of life and property due to catastrophic failure of pressure parts are often traced to defective welds. Whereas the code/standard are collaborative experiences from welders and consumers voice which have recommended broad process parameters tolerance for the acceptable product (weld) quality but within that recommended window still, there is a scope to find the further narrowed down optimum or near optimal process parameters settings and authors researched narrowed down the code acceptable limits to find the best weld condition.
Moreover, major advances and researches are done in welding science and technology in recent years where researchers and scientists have focused mostly on welding works which were executed in the welding shop. The author studied on the FCAW which is widely used for welding in a remote area such as welding in the windy and dusty environment for cross country pipelines where the arrangement of welding shop is not economically feasible.
Fabricators and contractors consistently report that their welding issues are the need to reduce the welding costs due to rework of defected welds and to improve the welding productivity. The research is made to optimize the FCAW base on industries problems.
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