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Welded Pipe

  • Straight welded pipe ERW thin wall tube

    Straight welded pipe ERW thin wall tube

    Welded steel pipe, also known as welded pipe, is a steel pipe welded with steel plate or strip steel after crimping. Generally, the length is 6m. Welded steel pipe has the advantages of simple production process, high production efficiency, many varieties and specifications and less equipment investment, but its general strength is lower than that of seamless steel pipe. Welded pipes with large or thick diameter are generally made of steel blank directly, while small welded pipes and thin-walled welded pipes only need to be welded directly through steel strip.

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  • Straight welded pipe and spiral welded pipeQ235 A106 A53

    Straight welded pipe and spiral welded pipeQ235 A106 A53

    Welding steel pipe is also called welded pipe, which is made of steel plate or strip steel after crimping and forming, and generally fixed length is 6m. The welding steel pipe has the advantages of simple production process, high production efficiency, many varieties and specifications, less equipment investment, but the general strength is lower than seamless steel pipe.

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  • Large diameter spiral steel pipe q235q345 drainage and sand pumping pipe straight seam spiral welded pipe thick wall spiral pipe

    Large diameter spiral steel pipe q235q345 drainage and sand pumping pipe straight seam spiral welded pipe thick wall spiral pipe

    Spiral welded pipe can be used to produce large diameter steel pipe with narrow strip. Its strength is generally higher than that of straight welded pipe. Compared with straight welded pipe with the same length, the weld length increases by 30 ~ 100%, and the production speed is lower. Therefore, straight seam welding is mostly used for small diameter welded pipe, while spiral welding is mostly used for large diameter welded pipe.

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