製品ニュース

  • 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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  • Pipe Cutting

    Pipe Cutting

    The length of the pipe cut according to the requirement. Cutting tools have a grinding wheel piece cutting machine (also known as toothless saw), hand saw, cutter and other hand tools. Grinding wheel piece cutting machine: is suitable for cutting metal pipes or metal profiles, especially bulk cut...
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  • Material type of structural tube

    Material type of structural tube

    Material type of structural tube Many variable factors represent medium erosion characteristics, namely chemical products and their concentration, atmospheric conditions, temperature, time, so if do not understand the exact nature of the medium, to make use of materials, choice of materials is di...
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  • How to mig weld steel tubing

    How to mig weld steel tubing

    How to mig weld steel tubing MIG welding plus gas as medium to protect the metal droplet, welding molten pool high temperature metal arc welding method and welding area, called MIG arc welding. With a solid core wire of the inert gas (Ar or He) shielded arc welding method called melting inert gas...
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  • Oil pipeline welding technology

    Oil pipeline welding technology

    For conventional oil pipeline welding, the quality is difficult to control and difficult to achieve the required welding slag are not allowed inside, however, more effective and widely used welding backing is made, manual arc welding method to cover up. In this way a clear arc, welding operation ...
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  • Introduction of IPN8710 and 2/3 PE Coating

    Introduction of IPN8710 and 2/3 PE Coating

    IPN8710 anticorrosive Coating steel pipe. Firtly,by aliphatic polyurethane prepolymer and high-quality epoxy resin, pigments, additives, solvents. Specialized in food, drinking water equipment, contact by ShuPeiShui pipelines, corrosion on the surface of the water tank. Secondly, the performance ...
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  • Electrodes for welding

    Electrodes for welding

    Welding electrode consists of two parts, the core and coating. Metal core welding electrodes are outside the paint (coating) uniform pressure applied to carefully solder core. Different types of welding, welding core is different. Welding electrode core metal core, in order to ensure the quality ...
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