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AWS D17.1 is the specification doc used for aerospace welding certification.
1G is flat place and possibly the most typical place used to certify welders in aerospace upkeep, restore, and overhaul (MRO) retailers.
2G is horizontal place.
3g is vertical.
Typically these different weld take a look at positions are required by firms wanting a broader vary of qualification.
this video supplies settings and ideas for passing a 2g groove weld .041″ thick carbon and low alloys steels.
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