Pipe LSAW (Longitudinal Submerged Arc-Welding Pipe), ti a tun pe ni paipu SAWL. O n mu awo irin naa bi ohun elo aise, ṣe apẹrẹ nipasẹ ẹrọ mimu, lẹhinna ṣe alurinmorin aaki submerged aaki apa meji. Nipasẹ ilana yii paipu irin LSAW yoo gba ductility ti o dara julọ, lile weld, isokan, ...
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