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spiral steel tube manufacturers

These are related to the spiral steel tube manufacturers news, in which you can learn about the latest trends in spiral steel tube manufacturers and related information industry, to help you better understand and expand spiral steel tube manufacturers market.
  • [Industry News] Seamless steel pipe is perforated with round steel

    Seamless steel pipe is perforated with round steel, the surface of the steel pipe without weld is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot rolled seamless steel pipe, cold rolled seamless steel pipe, cold drawn seamless steel pipe,

  • [Industry News] Spiral steel pipe of the production technology

    Spiral steel pipe is a kind of spiral seam steel pipe which is made of strip steel coil as raw material, often formed by warm extrusion and welded by automatic double-wire double-side submerged arc welding process. The spiral steel pipe will feed the strip steel into the welding pipe unit. After ro

  • [Industry News] Knowledge of the diameter of the spiral tube

    Generally speaking, the diameter of spiral steel pipe can be divided into outer diameter, inner diameter, and nominal diameter. The outer diameter of a spiral steel pipe is indicated by the letter D, followed by the size and wall thickness of the outer diameter. For example, a seamless steel pipe wi

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