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      Home>>Lsaw pipe mill>>
      pipe end expander

       

      Detailed

       

      Parameter/Model

      KJ-14/914(965)×12500

      KJ-20/1422×12500

      KJ-25.4/1422×12500

      Expanded steel pipe

      spirall welding pipe

      spirall welding pipe

      spirall welding pipe

      Expanding mode

      mechanically expanding

      mechanically expanding

      mechanically expanding

      Range of expanded steel pipe

      Diameter(mm)

      Φ323.9Φ914

      Φ508Φ1422

      Φ610Φ1422

      Wall thick(mm) 514 620 625.4
      Max.material X70 X70 X70

      Expanding length

      Flat and straight section(mm)

      150

      150

      150

      Transiting section(mm) 100 100 100

      Expanding ratio

      ≤1.5%D

      ≤1.5%D

      ≤1.5%D

      Production efficiency

      less than Φ508mm,2 min./pcs.

      less than Φ711mm,3 min./pcs.

      less than Φ813mm,3 min./pcs.

      less than Φ508mm,3min./pcs. less than Φ711mm,4-5 min./pcs. more than Φ711mm,4-5 min./pcs.

      Requirements to pipe body

      conform with the requirements of API spec5L std.,(the 42th edition) to the deviation of pipe body,and the inner welding seam within 250mm from ends of the pipe has been grinded,and the surplus height is no more than 0.5mm.

      Pipe end after expanding

      ovality

      0.5%D(on basis of over 0.3% of expanding ratio)

      0.5%D(on basis of over 0.3% of expanding ratio)

      0.5%D(on basis of over 0.3% of expanding ratio)

      Diameter(measuring on circumference) D+1.6-0.5 D+1.6-0.5 D+1.6-0.5

      Weight(kg)

      42000

      55000

      800000

       

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