Alloy / Steel Sprial Settated Fined Tube , Solid Power Plant Fin Tube OD X 2.9 MWT X 1660mm LG

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HFW sprial settated fined tubes apply in Fired heater ASME SA192 44.5 mm OD x 2.9 MWT x 1660mm LG Segmented fin, CS, FPM300 x0.8mmTHK x 12.7mmH Manufacturing Process: The fin strip is welded continuously and spirally wound onto a polished bare tube. And the tube and fins are bonded together by using high frequency resistance welding technique. Reference Drawing : Material: Stainless Steel+Stainless Steel, Carbon Steel+Carbon Steel, Alloy+Alloy etc. Bare tube OD: 16-219mm Fin Pitch: 3-25mm Fin Height: 5-30mm Fin Thick: 0.8-3mm - - - - Name | Base tube (OD) mm | Fin Pitch (mm) | length (m) | | Min | Max | Min | Max | Min | Max | Extruded aluminum fin tube | 12.7 | 51 | 2.1 | 10 | 0.5 | 20 | L/LL/KL aluminum fin tube | 19 | 51 | 2.1 | 3.2 | 0.5 | 15 | Embedded aluminum fin tube | 19 | 42 | 2.3 | 3.2 | 0.5 | 15 | Low fin tube | 12.7 | 32 | 0.8 | 2 | 0.5 | 20 | Spiral fin tube | 12.7 | 70 | | | 0.5 | 20 | ERW HF spiral fin tube | 16 | 219 | 3 | 25 | 0.5 | 28 | ERW HF spiral serrated fin tube | 16 | 219 | 3 | 25 | 0.5 | 28 | | Serrated width(mm) 10 min~26 max | Serrated depth(mm) 4 min~16 max | ERW studded tube | 89 | 200 | 16 | 50 | 2 | 15 | | | | | | | | DC ERW H/HH fin tube | 25 | 51 | 9 | 25 | 1 | 15 | H/HH fins | Length(mm) 60 min-150 max | Thickness(mm) 1.5 min~4 max | Width(mm) 30 min~50 max | - - - - Application: The High Frequency Resistance Welded Helical Fin Tubes are widely applied in fired heaters, heat exchanger, boilers, economizers, pre-heaters, heat pipes, heaters etc Capacity: Seven ERW High Frequency fining lines, daily capacity around 50 tons,length28meters; Packaging: sea worthy with plastic cap for each edge of core tube , finned tubes shall be put on the metal frame with wooden walls and plastic layer be considered between tubes rows to avoid damage and deformation of the fins Description of the inspections carried out Following documentations should be reviewed & endorsed: 1. Declaration of conformity, 2. Inspection plan, 3. Welding book(WPS & PQR), 4. Finned tubes examination reports (dimension & visual inspection, hardness test report, tensile test report), 5.Test samples sheet, 6.Incoming inspection report, 7.Inspection certificate for bare tube, 8.Quality test certificate for steel strip, 9.Iinspection & Guarantee certificate for finned tube, 10.Product inspection report. Sample tensile test

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AARE CUN TAI THERMAL LTD.

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