Product News

  • Oil pipeline leak detection technology and application

    Oil pipeline leak detection technology and application

    The leak is the main oil pipeline running failure. Especially in recent years, the pipeline is to punch the Stolen well corrosion perforation resulting in the spill happened quite frequently, seriously interfere with the normal production, causing huge economic losses, only Shengli Oilfield annua...
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  • Lifetime of spiral steel pipe

    Lifetime of spiral steel pipe

    The lifetime of spiral steel pipe has relationship with decarburization, if the surface decarburize, surface strength and wear resistance will reduce the direct impact on the life of daily use. In the heat treatment process, it should be to try not to let the inner and outer walls and exposed to ...
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  • How to prevent and solve the porosity problem of the steel pipe seam

    How to prevent and solve the porosity problem of the steel pipe seam

    Welded steel pipe is divided into two kinds according to its welding seam shape-straight seam steel pipe and spiral steel pipe. Steel pipe seam porosity affects not only the density of pipe welds, resulting pipeline leak, and will become a point of corrosion-induced, severely reducing weld streng...
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  • Pipeline corrosion resistance to hydrogen sulfide

    Pipeline corrosion resistance to hydrogen sulfide

    Hydrogen sulfide corrosion resistant pipeline steel mainly used to manufacture and transport sour gas pipeline. With the improvement of the delivery pressure and reduce the gas from the viewpoint of the cost of desulfurization, sometimes without desulfurization of the gas pipeline circumstances, ...
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  • Advantages of Using Galvanized Steel Pipe and Fittings

    Advantages of Using Galvanized Steel Pipe and Fittings

    Galvanized steel is steel with a protective zinc coating. This coating has many advantages over other methods used to protect steel, and it makes galvanized steel pipe, fittings and other structures more desirable in many situations. Here are nine of the advantages associated with using galvanize...
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  • How to improve rectangular pipe welding technology

    How to improve rectangular pipe welding technology

    Rectangular pipe welding according to process requirements need groove butt welding, stitching reserved space. The design of welded joints is relatively weak link in welding engineering. Groove weld forms of internal quality control and manufacturing quality of welded structures has a very import...
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