Thank you for your answers. I am not looking any welding proceedures here. We already done a lot of test and welding proceedures corespond to all relevant standards. I ask just experience during explotation of both methods.
Could someone share link to research in that field?
Dear mechanical engeneers and welding experts,
I am looking for help for Feedwater high pressure heat exchanger. The most critical part of this unit is tube to tubesheet joint. Does someone has experince of this type welding. In the past it was manual TIG root + top rod layer. Now welding...