I. Brief introduction: 89mm welded pipe production line is designed to produce welded pipes of 32mm-89mm in OD and 1mm-4.5mm in wall thickness,aswellascorrespondingsquareandrectangletube. II.BasicTechnicalInformation: Circular Pipe Size 42mm -89mm Pipe Thickness 1.5mm-4.5mm Square Pipe Size 25mm*25mm-70mm*70mm Pipe Thickness 1.5mm-3.5mm Material Carbon steel coil(GB Q195-Q345); Alloy steel coil; API 5L X42-X80 Pipe Length 6-12m Length Tolerance ±3mm Mill Speed 20-70 m/min Direction From left to right or decide by your side. III.Thetechnicalflowoftheproductionline Uncoiling→Shear&buttwelding→Cagelooping(Accumulating)→Forming→HFwelding→Removing&outsiedBead→Cooling→Sizing→Cuttingoff→Conveying→Downloading→Packing→Warehousing IV.Makeupoftubemillline 1.Double-reelMechanicalUncoiler 2.Shear&ButtWelder 3.CageLoop(Accumulator) 4.Tubemill 5.SolidStateH.F.welder 6.NCFlyingSaw 7.OutputRollway 8.Rollers