Standards ASTM ASME A790 A928 A789 SA790 SA928 SA789 Outer Diameter 600 mm OD up to 9144 mm OD Sizes up to 24 NB Thickness 03mm 50 mm Type Seamless ERW EFW Welded Fabricated LSAW Pipes Schedule SCH20 SCH30 SCH40 STD SCH80 XS SCH60 SCH80 SCH120 SCH140 SCH160 XXS Seamless Pipes amp Tubes Size 1 8 NB 24 NB ERW Pipes amp Tubes Size 1 8 NB 36 NB EFW Pipes amp Tubes Size 6 NB 100 NB Length Single Random Double Random amp Required Length Form Round PipesTubes Square PipesTubes Rectangular PipeTubes Coiled Tubes U Shape Pan Cake Coils Hydraulic Tubes End Plain End Beveled End Treaded