Breadcrumb Home Welding WG 155/WELD 15595 WG 155/WELD 15595: Pipe Welding Download as PDF Common Course Number WELD 15595 Program Welding Lecture/Lab Hours 5 Credits 5 This course will consist of welding V-Butt joints on plate steel found in the welding of pipe. Prerequisites WG 135/WELD 13595: Arc Welding II