SSAW steel tube,sprial submerged arc welded pipes,DIN1626,DIN1.0132 1.OD:13.7mm-1219mm, 2.WT:1.5mm-60mm ... :ProductionSSAW steel tube,sprial submerged arc welded pipes,DIN1626,DIN1.0132 Specification13.7mm-1219.2mm (1/4''-48'')× 1.5mm-60mmStandardGB ... SSAW steel tube,sprial submerged arc welded pipes,DIN1626,DIN1.0132