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Re: TIG welding copper
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Posted by T_Bone on December 25, 2003 at 20:01:09 from (171.75.7.64):
In Reply to: TIG welding copper posted by Brian on December 24, 2003 at 18:01:32:
Hi Bryan, Sure have as alot of CU roof jacks are Tig welded. If you make an lapp joint then you can use the edge of the lapp as the filler for the weld. I've also used this method with welding SS sealing welds. To use the lapp edge as a filler, spot tack about every inch, closer if thinn material, then clean with a SS wire wheel, then wash the molten puddle down on the base metal. If you want a nice full rolled finished edge weld, then hold the weld puddle more on the top lapped piece. For a flat weld face hold less on the top laped piece. With a little practice you will not have undercuting. T_Bone
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