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  • [Industry News] Welded steel pipe--how to ensure and improve welding quality

    At the end of the pre-welded steel pipe (1) before milling, weld the pilot arc plate (2) to find a pilot arc plate with the same thickness as the base material. The distance between the roller and the cutter head should not be too narrow. Later, you will have to apply force laterally) (3) Method of

  • [Industry News] Submerged arc welded pipes with some features

    What is the definition of submerged arc welded straight seam steel pipe?The submerged arc straight seam steel pipe body has a longitudinal weld, and when the diameter is greater than 914mm, two welds are allowed. The wire submerged arc filler welding is used. The submerged arc longitudinal seam stee

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