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        325 API WELDED PIPE MILL

        API325 tube mill/pipe mill/welded pipe production/pipe making machine is used to produce oil and gas pipes of 114mm-325mm in OD and 3.0mm-14.0mm in wall thickness
        Application
        Advantage
        Working process
        Technical parameter

        Application

        Oil,Gas and water

        Advantage

        • High production efficiency,line speed can be up to 70m/min.
        • High automation·High strength,the machine works steadily at a high speed,which improves product quality.
        • Low defectiveproduct rate
        • Siemens, Yuskawa, Allen-Bradley motor as main brands

        Working process

        Scroll up→ Uncoiler→ Straightening end→ Flattener→ Auto-Shear and Welding→ Horizontal Accumulator→ Strip UT→Forming(ZTF) → H.F. induction welding→ Removing external burr→ Removing inner burr→ Burnishing→ Online Detection→ Seam annealer→ Air cooling→ Water cooling→ Sizing→ Cut off→ Roll table→Flattening Test→ End-facing and chamfering→ Hydrostatic test→Off-line UT test→ Drifter→ inspection→Weighing and length measurement → Coating & Printing→ Packing→ Warehouse

        Technical parameter

        Finished productRound PipeΦ114mm-φ325mm
        Thickness: 3.0mm-14.0mmThickness: 3.0mm-12.7mm(material: X70, N80)
        Square & rectangle tube140mm×140mm-255mm×255mm

        Thickness:3.0mm-12.0mm

        Length5m-12m
        Length Tolerance±3.0mm
        Production Speed10-40m/min
        Raw MaterialCoil materialL245,L360,A53,J55,N80 ,X42,X46,X52,X56,X60,X65,X70
        Width360mm-1020mm

        Thickness: 3.0mm-14.0mm

        Coil IDΦ580-φ630mm
        Coil ODΦ900~φ2000mm
        Coil Weight15.0Tons

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