508 API PIPE MILL

API 508 tube mill/pipe mill/welded pipe production/pipe making machine is used to produce oil and gas pipes of 60mm-165mm in OD and 2.0mm-6.0mm 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 PipeΦ325mm-φ508mm
Thickness: 6.0mm-18.0mmThickness: 6.0mm-12.7mm(material: X70, N80)
Square & rectangle tube140mm×140mm-255mm×255mm

Thickness:6.0mm-16.0mm

Length5m-12m
Length Tolerance±3.0mm
Production Speed10-30m/min
Raw MaterialCoil materialL245,L360,A53,J55,N80 ,X42,X46,X52,X56,X60,X65,X70
Width1020mm-1600mm

Thickness: 6.0mm-18.0mm

Coil IDΦ580-φ630mm
Coil ODΦ900~φ2000mm
Coil Weight25.0Tons

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