LSAW Steel Pipe
Description
Straight seam welded steel pipe(lsaw steel pipe), Double-sided submerged arc welding steel pipe(dsaw steel pipe),
longitudinal submerged arc welded steel pipe, high frequency straight seam welded pipe
UOE LSAW PIPES
| UOE LSAW PIPES | The UOE mill features the most advanced technology and process, achieves high production efficiency, stable product quality and is equipped with complete inspection equipments. |
| Prodution Line | UOE mill adopts U & O forming, the formed pipes are welded inside through five internal welding stations with three wires, and welded outside through four external welding stations with three wires. In accordance with different requirements of the customers, the welded pipe can be expanded either by mechanical or hydrostatic expander to improve dimensional accuracy, and eliminate residual stress. |
| Specifications | Outside Diameter： Φ508mm- 1118mm (20″- 44″)
Wall Thickness： 6.0-25.4mm（1/4″-1″） |
JCOE LSAW PIPES（PRESS BENDING）
| Prodution Line | This is large diameter longitudinal submerged arc welded (LSAW) pipe production line in China. The mill adopts progressive bending process, featuring evenly distributed forming stress, high uniformity of dimension, infinite sizes variation&wide poduct range, and high flexibility, etc. |
| Specifications | Outside Diameter： Φ406mm- 1626mm (16″ – 64″ )
Wall Thickness： 6.0- 75mm (1/4″ – 3″ ) |
JCOE LSAW PIPES（ROLL BENDING）
| Production Line | This is the first large diameter longitudinal submerged arc welded (LSAW) pipe production line in China. The mill adopts continuous axis contorting J-C-O forming process with characteristics of high forming accuracy and efficiency as well as balanced distribution of forming stress. The mill has the advantages of wide specifications and can produce pipes in any size within its production range. |
| Specifications | Outside Diameter：Φ406mm- 1829mm (16″ – 72″ )
Wall Thickness：6.0-30mm（1/4″ -11/6″） |
LSAW steel pipe, hot-rolled or cold-rolled steel sheet or steel coil made of steel pipe welding equipment in the straight seam welding are called the straight seam welded pipe. It is cut into strips by a steel strip, and then wrapped into a tubular cold mold. Then a special welder and then a seam welded. Outer weld brightly polished. The inner pipe of the general burr does not hit. Only precision welded pipe can hit the burr.
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