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A weld repair on a machined stainless steel part. Tig welding is way to salvage parts that might otherwise have to be scrapped. In this video, er308L tig welding rod is used to tig weld build up an area that was mistakenly machined. Happens all the time. Misdrilled or oversized drilled holes, tool changer crash, part dropped on floor has flat spot, tap broken off in threads, etc. All kinds of things happen that can be fixed with tig welding.
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http://www.weldingtipsandtricks.com/t...