Standards ASTM / ASME B161, B725, B730 / SB161, SB725, SB730 Outer Diameter 6.00 mm OD up to 914.4 mm OD, Sizes up to 24 NB Thickness 0.3mm - 50 mm Type Seamless / ERW / Welded Pipes Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS Seamless Pipes & Tubes Size 1 / 8 NB 24 NB ERW Pipes & Tubes Size 1 / 8 NB 36 NB Length Single Random, Double Random & Required Length End Plain End, Beveled End, Treaded