AARE CUN TAI THERMAL LTD.
5 1

Steel HFW Sprial Serrated Fin Tube For Fired Heaters / Boiler / Economizers

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AARE CUN TAI THERMAL LTD.
[China]

Address
No939, Qinfeng Road, Huashi Town,Jiangyin city, Jiangsu Province Wuxi Jiangsu
Phone
86-0510-86201519
Contact name
April

Quick Information

  • Brand Name: JYCT
  • Place of Origin: China
  • Model Number : HFW serrated - 2

Description

HFW sprial settated fined tubes apply in Fired heater
ASME SA192 OD31.8 mm x 2.9 MWT x 1660mm LG
Segmented fin, 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.
 

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,length≤28meters;

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

 

Products:
 

 
 
 

 

 
 
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.


tensile test


 
 
 
 
 
 
 


Product Image

  • Steel HFW Sprial Serrated Fin Tube For Fired Heaters / Boiler / Economizers image

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