http://www.weldingtipsandtricks.com/mig-welding-techniques-uphill-welding.html
Mig Welding Techniques for uphill welding. Upside down V and Triangles compared and sliced and diced , polished, etched and checked for penetration.
Both of these mig welding techniques are acceptable and both work very well.
The upside down V technique tends to look a bit choppy compared to the triangle technique but the proof is in the test.
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