... Grade B, X42, X46, X52, X60, X65, X70, X80 Seamless steel line pipeIntroduction:1.Products: Line Pipe 2. Standards: API 5L ... Tolerance: by the standard5. Size: Outer Diameter(OD): 60mm-720mm(seamless), 219mm-2420mm(welded); Wall Thickness(WT): 4mm-60mm;Length: 6m ... the customer's requirements9. We can also supply Non-standard pipes / tubes.10. Packing: standard Seaworthy Packing (NB: Coating against ...