Hi Southbound, BTW , I have seen a heap of weld spater and globules on the back side of a plate/flat joint TIG welds, as well as the rippling along the joint, especially on aluminum.
This happens with similar flat plate joint welding on stainless steel, but I have been told that this back side spatter can be reduced if the Argon gas is flooded around the back side weld area as well as the outside weld in progress.
Argon gas is not expensive and it is heavier than air .
Let us know if this is useful info .
Douglas
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