Aron,
My best guess is a piece of steel with a high carbon spot. This is not
uncommon today with cheap off-shore material. The same thing can happen
when using non-DOM tubing ( electric resistance welded) when you weld
over the joining spot in the tubing. It would be best to trash the
bracket. If you can make a sleeve to cover the frame because the spot
you welded to is contaminated and will not weld very well no matter how
much you grind it out. As a LAST resort, you could use SS rod BUT it a
brittle joint!!!
Been there!!!
Good Luck,
joe
atrav wrote:
> I had a weird TIG problem today. I wanted to weld two brackets to a frame,
>both brackets were
> identical, steel frame, mild steel brackets. Both brackets got two weld beads
>each, about four
> inches apart.
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