Industrial News

  • Spiral steel pipe cutting method

    Spiral steel pipe cutting method

    At present, the most common pipe cutting method used by spiral steel pipe manufacturers is plasma cutting. During cutting, a large amount of metal vapor, ozone, and nitrogen oxide smoke will be produced, which will seriously pollute the surrounding environment. The key to solving the smoke proble...
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  • Common defects in the welding area of spiral steel pipes

    Common defects in the welding area of spiral steel pipes

    1. Bubbles Bubbles mostly occur in the center of the weld bead, and hydrogen is still hidden inside the weld metal in the form of bubbles. The main reason is that the welding wire and flux have moisture on the surface and are used directly without drying. Also, the current is relatively high duri...
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  • Anti-corrosion technology of anti-corrosion steel pipes

    Anti-corrosion technology of anti-corrosion steel pipes

    In recent years, the demand for steel pipe insulation pipes in various domestic industries has increased. The production technology of domestic steel pipe anti-corrosion factories has been relatively mature, and all kinds of anti-corrosion can be produced. Among them, 3PE anti-corrosion steel pip...
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  • Why are the pipes used in industrial boilers all seamless steel pipes

    Why are the pipes used in industrial boilers all seamless steel pipes

    What is a boiler steel pipe? Boiler steel tubes refer to steel materials that are open at both ends and have hollow sections with a large length relative to the surrounding area. According to the production method, they can be divided into seamless steel pipes and welded steel pipes. The specific...
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  • Identification methods and process flow of fake and inferior steel pipes

    Identification methods and process flow of fake and inferior steel pipes

    How to identify fake and inferior steel pipes: 1. Fake and inferior thick-walled steel pipes are prone to folding. Folds are various fold lines formed on the surface of thick-walled steel pipes. This defect often runs throughout the longitudinal direction of the product. The reason for folding is...
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  • What are the standards for the storage of anti-corrosion steel pipes

    What are the standards for the storage of anti-corrosion steel pipes

    1. The appearance of anti-corrosion steel pipes entering and leaving the warehouse needs to be inspected as follows: ① Inspect each root to ensure that the surface of the polyethylene layer is flat and smooth, with no dark bubbles, pitting, wrinkles, or cracks. The overall color needs to be unifo...
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