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6g tig help

Posted: Fri Oct 26, 2018 4:09 pm
by byumetalman
How do i keep this from happening? Is it my torch angle rod placement or temp. 6g 2" schd. 80 pipe. Zero land 1/ 8 gap. Root went in well; but on my second pass and cover start. Its the top side of the weld above where it bellies in the middle. Any help is much appreciated.Image

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Re: 6g tig help

Posted: Fri Oct 26, 2018 9:23 pm
by Poland308
On 6g I usually run stringers for the cover. It’s hard to fully weave a cover on the angle on test coupons because they get so hot, so fast. From the looks of that picture you most likely exceeded the interpass temps as well. Making it even harder to do.