| Standard | ASTM B 337 ASME SB 337/ASTM B 338 ASME SB 338 |
| Dimension | ASTM, ASME, and API |
| Size | ½"NB to 24"NB in Sch 10s, 40s, 80s, 160s, XXS. |
| Tube Size | 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk. |
| Outer Diameter | 1.5 mm 350 mm |
| Thickness | 0.3-9 mm |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Length | Double Random, Single Random, Cut Length |
| Types | Seamless / ERW / Welded / Fabricated |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| End | Plain End, Beveled End, Threaded |
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