Producing pipes and tubes for fluid transport and structural use
| Method | OD Range | Wall | Application |
|---|---|---|---|
| Seamless (Mannesmann) | 20-600mm | 2-60mm | High pressure, oil & gas |
| ERW | 10-500mm | 1-20mm | Structural, general |
| LSAW | 400-3000mm | 5-50mm | Large pipelines |
| Spiral (SSAW) | 200-3000mm | 3-25mm | Water, gas transmission |