weldingtipsandtricks | TIG Welding Techniques @weldingtipsandtricks | Uploaded 1 month ago | Updated 3 days ago
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The backstep technique is when you weld a short section and then back up behind that weld and make another short weld that blends into the previous short weld.
Back stepping can help prevent distortion.
On an aerospace test weld on really thin metal, the back step technique can really help.
For example, if the test piece is 15-7ph stainless and .020" thick, welding a full run might cause excessive distortion or deflection.
welding a 5 or 6 inch long test piece might not seem like much but depending on the fixture provided, a full length run might not be the best approach.
3 shorter welds might be more efficient.
This video demonstrates the backstep technique on .040" thick steel.

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