Pipes and tubes of metal, namely, pipelines, seam welded pipes and tubes, spiral wound pipes and tubes, interlocking pipes and tubes, spiral wound interlocking pipes and tubes, reinforced pipes and tubes, multi-layer pipes and tubes, composite pipes and tubes, adhesively bonded pipes and tubes, pipes and tubes having non-metallic portions thereof, flexible and rigid pipes and tubes, pipes and tubes having end fittings for connection to further pipes and tubes or other connection devices or fi...

Pipes and tubes of metal, namely, pipelines, seam welded pipes and tubes, spiral wound pipes and tubes, interlocking pipes and tubes, spiral wound interlocking pipes and tubes, reinforced pipes and tubes, multi-layer pipes and tubes, composite pipes and tubes, adhesively bonded pipes and tubes, pipes and tubes having non-metallic portions thereof, flexible and rigid pipes and tubes, pipes and tubes having end fittings for connection to further pipes and tubes or other connection devices or fi...