Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe
Welded with steel plates or steel after bending , then welded steel. Press the seam into the form of longitudinally and spirally welded pipe . Divided according to purpose and general welded pipe, galvanized pipe , oxygen pipe...
American Standard (ASME) ASTM A106A53B API5L X52X60, British Standard (BS) 1387 (DIN ST37ST42) standard ST52 International (GB) T8162, T8163, T3087, 10#20# specification 1/ 2" -34", SCH10-SCHXXX wall thickness....