Thank for the replies. The welded pipe gets pulled onto a mandrel like a spiral. So all of it gets “bent”. It always seems to hump up some where the weld is and not pull tight to the mandrel (with the weld ground flat too). Played with it some today after work. On mig one hotter pass with a full bev...

Unfortunately I think I’m stuck with mig ( not my company). I could get different wire or gas if I asked. I agree tig makes the most sense as the welds are soft. So do you think a smaller gap and welding closer to spray and faster, or colder and slower with a gap. I’m do auto Resto on the side and t...

I’m wondering how you would weld small pipe together so it bends nicely. At work we weld 1/2 and 3/4 pipe sch 80. All end to end. It’s beveled from our supplier, not super nice steel though. Then it’s pulled into an about 8” radius. The guys doing it are having trouble with the welds ripping either ...