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Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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Seamless Steel Pipe


Seamless carbon steel pipes

Seamless carbon steel pipes

Seamless (SMLS) steel pipe

is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

Seamless steel pipes are always used to transfer oil , gas ,water etc liquid object.For seamless steel pipes,the greatest advantage is its increased ability to withstand higher pressure than welded pipes.Welded steel pipes are weaker because of welded seam.With this advantage,seamless steel pipes have equally strong around entire circumference. Seamless steel pipes are nominally manufactured in sizes NPS 1 through NPS 26.Because larger dimension seamless steel pipes are more difficult and expensive to produce, and Continually, seamless pipes used to have better surface finishes, especially in smaller sizes.

Application area : Seamless steel pipe are ubiquitous and can be found underground and within residential walls, laboratories, and commercial and industrial structures.heat exchange tubes, streaming tubes.Seamless steel tubes for oil casing and tubing for onshore and offshore Oil & Gas applications in the domains of Exploration, Production and Processing.

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