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  • Manufacturing Techniques of Longitudinal Submerged Arc Welding Pipes (LSAW)

    Manufacturing Techniques of Longitudinal Submerged Arc Welding Pipes (LSAW)

    The longitudinal submerged arc welding pipe (LSAW), as a kind of welded steel pipe, has been applied in domestic heavy steel structure engineering, fluid pipeline engineering, and in the foundation pile engineering. And this article is ...

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  • The Fittings of the Welded Steel Pipes

    The Fittings of the Welded Steel Pipes

    Now the welded steel pipe fittings have some problems. Pipe diameter has become smaller, leading to its flux lessen. When installing, it is hard to grasp the tenseness or looseness about the spirals. If it is tense, it is likely to le...

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  • Several Major Ways to Make Welded Steel Pipes

    Several Major Ways to Make Welded Steel Pipes

    There are some popular ways to manufacture welded steel pipes.1. The Single Radius Forming MethodThe single radius forming method consists of circumference bending, edge bending and center bending. It is a way that to use a single radiu...

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  • What Is Black Steel Pipe?

    What Is Black Steel Pipe?

    Being a high-strength steel, it is mainly used in the oil and petroleum industry to carry large quantities of gas and oil. Commonly it is used for gas distribution into houses, carrying portable water from boilers and water drainage....

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  • A New Weld Repair Process of SAW Steel Pipes

    A New Weld Repair Process of SAW Steel Pipes

    Now, our country is at the crucial stage of the construction of running pipes, and SAW (Submerged Arc Welding) steel pipes, a kind of welded steel pipes, with thin walls are being widely used in urban pipe networks.Because SAW steel ...

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  • Welded Steel Pipe Development Prospects at Home and Abroad

    Welded Steel Pipe Development Prospects at Home and Abroad

    1 Profile of welded steel pipeWelded steel pipe is made by steel belt or plates welded together after which bending deformation into round, square and other shapes. Since the 1930s , with the rapid development of high quality strip stee...

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