I was once told by someone that I now feel lacks much credibility that when you are welding on a pipe that has any oil in it, that when yoou attempt to weld up the crack that any oil in the pipe will be drawn too and will contaminate the weld. this is wrong, isn't it? Won't the oil actually be pushed away bfrom the weld until after the weld has been cooling down for some time. Then after cooling for awhile the oil will be drawn to the weld. The oil will in no way contaminate your weld though, right? You can just inert the pipe and weld it, right?
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