TIG Root Pass On Pipe: Tight Gap Welding !
Most welders I tend to run across seem to prefer a wider gap when putting in a tig( heliarc)root on pipe. Many like a 5/32 gap with up to a 1/8″ thick landing when making a jack stand weld that you can roll out. Never really understood why. I think most of them just have not took the time to explore welding with a tighter gap like a 3/32 or a 1/16 gap. Especially on a easy roll out weld.
Putting a tig root in with a tight gap
Warning: Try at your own risk! Only to be attempted with jack stand welds.
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