Tig Welding Tips - UA41 6g Pipe Welding Test (re-uploaded)

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The UA-41 pipe welding test is 2 inch schedule 80 carbon steel pipe welded using 309 stainless filler rod. The reason it is a common test is that In some cases, it qualifies a welder to weld both stainless and carbon steel within certain limitations. So it makes sense for a contractor to get the most value out of one single welding certification test.