|Place of Origin:||JIANGSU,CHINA|
|Certification:||ISO9001:2008 authorized by SGS|
|Model Number:||HFW -21|
|Minimum Order Quantity:||customized|
|Packaging Details:||as per export packing standard|
|Delivery Time:||Within 45 days after received your deposits|
|Supply Ability:||50 tons per day|
|Year Established:||2008||Material:||Stainless Steel+Stainless Steel, Carbon Steel+Carbon Steel, Alloy+Alloy Etc.|
|Payment Terms:||T/T In Advance, Or Irrevocable L/C At Sight||Size:||Customized|
|Bare Tube OD:||16-219mm||Fin Pitch:||3-25mm|
spiral fin tube,
helical finned tube
Seamless Helical Spiral Wound Finned Tubes For Heat Recovery Steam Generator
HFW sprial SERRATED fin tubes apply in HEAT RECOVERY STEAM GENERATOR + U bend
Base tube material: SA210 OD45mm X4.3mmTHK X8369mm LG
Fin Material: CS 19mmHx1.4mmTHKx2FPI
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.
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
|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|
|ERW studded tube||89||200||16||50||2||15|
|DC ERW H/HH fin tube||25||51||9||25||1||15|
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;
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.
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
About our company
A------We have three company,
1. Aare Cun Tai Thermal Co., Ltd (Hong Kong, China)
2. Jiang Yin Cun Tai Thermal Equipment Co., Ltd (Jiangsu, China)(Mill)
3. Jiang Yin Aare International Trading Co.,Ltd. (for export procedure)
Besides the companies above mentioned, we don’t have any other name.
About Our main business
A------ DR(Extruded) / L(Wrapped) / LL(Overlapped) / KL-KLM (Knurled) / G(Embeded) Fin Tube;
High Frequency Welding Fin Tube,Studded Tube, H/HH/Square Fin Tube,Longitudinal Tube;
Elbows, Low Fin Tube,Spiral Tube, U bend , Corrugated Tube.
About Price terms
A------ It could be EXW, FOB,CIF,CNF
About Payment Term
A------ We usually accept payment by T/T in advance or by L/C available against draft at sight
About Lead Time
A------ Usually it takes about 35-45 days after we received your confirmation.
However, it would depend on our production line schedule(the timing clients place order)and the complication of the item.
About Quality Control
Incoming inspection report for raw material including bare tube/alu.tube / alu. strip / steel strip
Mill test cetification for bare tube
Mill test cetification for fin (alu.tube / alu. strip / steel strip)
Mill test cetification for finned tube
Finned tubes dimension & visual inspection reports
A--- If you are interested in our above products, please contact us.
We can provide small samples in store for you, and you are welcome to visit our factory
Our moulds can be customized,you could kindly leave an inquiry to know more details about price, packing and shipping.