• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first

Tag archives: "welded steel pipe"

At Haihao Group, we’re excited to announce that a shipment of large-size welded pipes, manufactured to ASME B36.10M specifications and made from A516 Grade 70 carbon steel, is now ready for dispatch to Italy. These pipes are designed to meet the needs of industries requiring robust, high-p ...

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Haihao Group is proud to offer a wide range of welded steel pipes, also known as welded pipes. These pipes are manufactured by rolling steel plates or strips into shape and then welding the seams together. Welded steel pipes are known for their simple production process, high efficiency, and var ...

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According to the production process, steel pipe can be divided into seamless steel pipe and welded steel pipe. What is the difference between seamless steel pipe and welded steel pipe? Different forming processes: seamless pipes are made of long steel cylinders. The engineer heated the cylinder ...

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