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  • 2022-09-07

    Definition and classification of welded steel pipe
    Definition and classification of welded steel pipe
    Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or steel strip after being crimped and welded. Welded steel pipe has a simple production process, high production efficiency, many varieties and specifications, and less equipment, but its general strength is lower tha

  • 2022-08-19

    Influence of Hot Rolled Coil Quality on Forming and Welding of HFW Pipe
    Influence of Hot Rolled Coil Quality on Forming and Welding of HFW Pipe
    In recent years, using hot-rolled coils as raw materials, the process of HFW high-frequency welding + thermal tension reduction + full tube body heat treatment has been widely used to produce high-precision, high-grade steel casings. In production applications, it is found that the quality of hot-ro

  • 2022-08-04

    Experts analyze the trend of China steel market - August 1
    Experts analyze the trend of China steel market - August 1
    Organization - My Steel: The contradiction between main varieties has been significantly alleviated under the continuous decline of molten iron, the mismatch between supply and demand in steel mills, and the inventory of long products and flat products in the market has dropped significantly. In the

  • 2022-07-28

    Innovations and efforts made by TENGDI MACHINERY for the pipeline industry to achieve carbon peaking and carbon neutrality
    Innovations and efforts made by TENGDI MACHINERY for the pipeline industry to achieve carbon peaking and carbon neutrality
    The innovation and efforts made by TENGDI Machinery for the pipeline industry to achieve carbon peak and carbon neutrality goals. Tengdi adheres to international low-carbon technology and development, continuously optimizes and innovates new and excellent equipment, and achieves new breakthroughs in cost reduction and efficiency increase.
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