According to the American Welding Society (AWS) and ASME standards, the "G" in 5G stands for weld. The number "5" indicates the specific orientation of the pipe.
| Pass | Electrode | Amperage | Polarity | Technique | |------|-----------|----------|----------|------------| | Root | 6010 1/8″ | 70–85 | DC+ | Whip & pause, downhill or uphill | | Hot | 6010 1/8″ | 75–90 | DC+ | Fast travel, no weave | | Fill | 7018 1/8″ | 90–110 | DC+ | Slight weave, uphill | | Cap | 7018 1/8″ | 95–115 | DC+ | Weave or stringers, uphill | welding 5g position