Pipeline welding at 5G position, as per API 1104

1-Pipe line welding at 5G positionas per API 1104,
2-SMAW welding process,
3-Cellulose electrode for root pass 6010 and 7010 used for other passes.
4-Root pass up hill and hot pass, filling and capping down hill.
5-DCEN Polirity just for root pass
6-DCEP use for other passess

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