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Weld Position Guide

Common plate/groove and fillet positions in plain English

Groove weld positions

1G is flat, 2G is horizontal, 3G is vertical and 4G is overhead. Pipe position designations use a different system such as 1G, 2G, 5G and 6G.

Fillet weld positions

1F is flat, 2F horizontal, 3F vertical and 4F overhead. Electrode/wire choice and settings may change with position.

Qualification and code work must follow the applicable WPS and welder qualification requirements.
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