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  • 2023-07-17

    Design of double-wire submerged arc welding process for S355NL straight seam welded pipe used in offshore wind turbine foundation
    S355NL fine-grained structural steel has been widely used in offshore wind power, oil platforms, welded steel pipes, etc. due to its excellent performance.In order to further improve the production efficiency of welded steel pipes and obtain steel pipe welded joints with excellent performance for th
  • 2022-10-17

    Maintenance and maintenance of high frequency welded pipe production line
    The high-frequency welded pipe unit will be damaged during normal use, so you must take good care of it during use, otherwise the machine will be particularly difficult to use and the problem of jamming will occur. Check whether all parts of the machine can work normally and whether there is any fai





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