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China Large Diameter Lsaw carbon steel pipe conveying fluid petroleum gas oil tube
- 15000 Ton / Tons per Month
- Tianjin China
- T/T Credit Card
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Product Details
Place of Origin: | Tianjin, China | Certification: | API | Thickness: | 10, 60 |
Alloy Or Not: | Non-alloy | ||||
Special Pipe: | Thick Wall Pipe | Section Shape: | Round |
Product Description
China Large Diameter Lsaw carbon steel pipe conveying fluid petroleum gas oil tube
LSAW Longitudinally Submerged Arc Welded Steel pipes in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production.The coherence of cutter head and plate clamping system guarantees the invariable parameters during the entire milling process; accordingly it ensures the milling quality and lays a good foundation for the success of subsequent welding.
-UOE Produce Processes
UOE is a method used for production of longitudinally welded large diameter pipes. Longitudinal edges of steel plates are first beveled using carbide milling equipment. Beveled plates are then formed into a U shape using a U-press and subsequently into an O shape using an O-press.Longitudinal edges of the plates are then tack welded followed by internal and external welds.Pipes manufactured by this process are subjected to expanding operation in order to relieve internal stresses and obtain a perfect dimensional tolerance.
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