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This kind of equipment is mainly used for producing nuclear power pipes, high pressure boiler tubes and energy pipes of quality comparable with those manufactured overseas. Since the development of our Ф2000mm piercing mill system in 1990s, TYHI has subsequently designed and manufactured Ф508mm, Ф630mm, Ф720mm, Ф1000mm and Ф1200mm large diameter seamless pipe production lines. The piercing technology of large diameter seamless pipe production lines is divided into two methods --- pressure piercing and cross-roll piercing and the rolling technology also utilizes two methods --- Pilger rolling and rotary rolling. Currently our Ф720mm piercing mill system with multiple functions is a breakthrough in large diameter seamless pipe production technology.

  • Ф720mm Piercing Mill
    Ф720mm Piercing Mill
  • Ф1200mm Reeling Mill
    Ф1200mm Reeling Mill
  • Ф720mm hot Pilger Mill
    Ф720mm hot Pilger Mill
  • Ф720mm Cold Pilger Mill
    Ф720mm Cold Pilger Mill
  • Ф720mm Sizing Mill
    Ф720mm Sizing Mill

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