For butt welding 40 mm thick steel plates, when the expected

For butt welding 40 mm thick steel plates, when the expected quantity of such jobs is 5000 per month over a period of 10 years, choose the best suitable welding process out of the following available alternatives.

No. of jobs is very high, therefore we need a welding process which is capable of welding in one pass. Therefore, SAW is chosen over others.