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What is the best way to weld 3g on two beveled pieces of steel tacked together?

by John
(houston)

What is the best way to weld 3g on two beveled pieces of steel tacked together?

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It the fit up is pretty good with a consistent gap, a downhill root might be a good choice. After that, go uphill with a weave that is just wide enough to allow for a fairly flat weld.

Here is a video that might help that shows a downhill root pass open butt and also how to weld uphill over that root pass.

In this video flat plates are used but are gapped to simulate a beveled joint.

If more passes were needed, they could be stacked side by side

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