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  • 2023-05-11

    Tube Mill Fault Analysis——Analysis of Problems Caused by Sand Hole Tube
    Sand-hole pipes are also a kind of quality accident caused by weld leakage, but their gaps are very small, some of them cannot be directly observed by human eyes, and must be found through testing equipment, so we call this kind of pipes sand-hole pipes. The main reasons for sand hole pipes are as f
  • 2022-10-15

    What are the production steps of the welded pipe production line
    Welded steel pipe, also known as welded pipe, is generally 6m in length. Welded steel pipes have simple production process, high production efficiency, many varieties and specifications, and less equipment investment, but the general strength is lower than that of seamless steel pipes. So, what are
  • 2022-05-12

    Magnetic arc blowing phenomenon in steel pipe welding
    During the welding operation, the phenomenon that the magnetic arc blowing affects the welding process sometimes occurs. The formation of the magnetic arc blow is the result of the presence of residual magnetism in the pipe metal.Generally, residual magnetism is divided into two types: induction mag

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