Practice Case 9 – Welding Qualification For Tube-To-Tubesheet Welds
This article explores the question of using a WPS qualified on a groove weld for tube-to-tubesheet welding, while using a welder qualified on demonstration mock-ups of QW 193. And vice versa, using a welder qualified on a groove weld for tube-to-tube sheet welding, while using a WPS qualified in accordance with QW 193. The article … Read more