HH fin tube apply in waste heat recovery , boiler
Base tube material: ST35.8 SMLS 33.4MM×THK3.38MM×2235MM
Fin Material: Q235; FPM67fins X 1.5 mm THK x 70 mm Wx70 mm H
Application: waste heat recovery, petrochemical industry, power plant boiler,
economizer, coaches, civil building heating, refrigerating, drying,
medicine of wood drying, food drying system and other industries
Capacity: Six DC ERW H/HH fining lines, daily capacity around 20 tons;
Manufacturing Process:
It adopts high frequency welding spiral technology, the national
patent technology with high frequency power supplies as the heat
source to heat the steel strip, steel pipe at the same time,be
welded together
Material: Steel, Carbon Steel, etc.
Bare tube OD: 25-63mm Fin Pitch: 8-30mm Fin Height: <200mm Fin Thick:
1.5-3.5mm
| 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&Inspection Deatails:
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
FAQ
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
A----
Incoming inspection report for 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
About Sample
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 visit our factory
Our moulds can be customized,you could kindly leave an inquiry to
know more details about price, packing and shipping.
