At Cangzhou Datang Steel Pipe Co., Ltd., we proudly offer a versatile selection of finned tubes, including tension wound finned tubes, embedded finned tubes, and extruded finned tubes. Each type is crafted with precision to meet the diverse needs of our customers.
Our tension wound finned tubes boast an innovative design where strips of aluminum or copper are meticulously wound around the tube under tension, ensuring optimal performance and durability. The advanced strip winding technology provides a variety of fin types: L-Fin, LL-Fin, and KL-Fin, each tailored to enhance performance in specific applications.
Embedded fins (G-Fins) are expertly crafted by winding aluminum or copper strips into a precisely machined helical groove on the tube's outer surface, ensuring superior airflow efficiency.
Our tension wound, embedded, and extruded finned tubes are essential components for air coolers, excelling in the following application fields:
Heat exchangers in power plants, including electric, nuclear, thermal, and geothermal facilities, benefit greatly from our advanced finned tubes.
Steam condensate systems
Chemical and petrochemical industries
Food processing plants and advanced refrigeration technology
Industrial settings like steel mills, incinerators, and gas compression facilities
L-Foot Finned Tube
Our L-footed finned tubing is a pinnacle of efficiency and cost-effectiveness, offering unmatched heat transfer capabilities at lower temperatures. The ingeniously crafted L-shaped design ensures stability and resilience, withstanding heat cycling and high-velocity air vibrations.
We offer the L-Foot Finned Tube in various fin variations to perfectly suit your specific needs:
Knurled Fin - This type offers an interference fit with mechanical knurling, ensuring a robust connection between the fin material and the tube wall surface.
LL Fin - The Double Overlap fin, or double LL, provides enhanced coverage with double strip thickness across the entire base tube.
Perforated L Fin - This innovative design features 'tear drop' slits around the helix, effectively disrupting airflow for enhanced efficiency.
L-Foot Fin / Wrap-On Fin
L-Foot Tension Wound Finned Tubes also known as Wrap-On Finned Tubes, are ideally suited for applications where temperatures remain below 300 degrees Fahrenheit, providing necessary protection for low-temperature environments. Our L-Foot tension wound finned tubes consist of a delicately thin aluminum fin strip, expertly wound helically around the tube circumference for optimal performance. A distinctive 'foot' is formed on one side of the fin strip, giving the L-Foot its name and ensuring a secure fit. The strip is securely wound around the tube, with the foot making firm contact with the tube's outer surface. Each L's short horizontal limb fully contacts and covers the base-tube surface, ensuring comprehensive coverage. The fin strip's tension during wrapping enhances the forceful seating of the fin foot, ensuring it remains securely in place. L-footed finned tubing excels in maximizing heat transfer at lower temperatures. The unique L-shaped design ensures rigidity, easily withstanding heat cycling and high-velocity air vibration. This fin design offers substantial atmospheric protection for the tube wall against corrosion. The wide contact surface between the tube and finning significantly boosts heat transfer efficiency. Our L-Foot fin design is both highly efficient and cost-effective, ensuring you get the best value.
To prevent unraveling and maintain consistent contact between the fin foot and the tube, the ends of the fins are stapled for secure attachment. This crucial contact plays a pivotal role in the efficient functioning of the air cooler, as it facilitates the seamless transfer of heat from the tube wall, traversing through the fin, and dissipating into the surrounding ambient air.
Advantages:
Ideal for applications requiring low temperatures.
This type of finning stands out as the most cost-effective solution compared to alternative methods.
Failed fins can be effortlessly removed during production, allowing the bare tube to be efficiently reused for finning again, enhancing sustainability.
No helical grove is necessary on the core tube, simplifying the production process.
Fins can be applied to a very thin-walled tube, making it highly desirable for use with costly alloys as the core tube, enhancing material efficiency.
The tube is engineered to endure temperatures up to 130°C, effectively eliminating concerns of atmospheric corrosion or thermal stress.
Application:
Oil and gas refineries
Petroleum, chemical, and petrochemical industries
Natural gas processing and treatment
Steel manufacturing industry
Power generation facilities
Advanced air conditioning systems
Compressor cooling solutions
KL Footed Fin / Knurled L Footed Fin
The KL fin is popularly recognized as the knurled L fin. This innovative finned tube closely resembles the Wrap-On fin, crafted using a combination of both Wrap-On and Embedded techniques for optimal performance. Fins are expertly crafted from strips shaped into an L configuration, akin to L type, then meticulously rolled into a taper inducing a curl. They are subsequently helically wound onto the tube in a continuous loop under tension, ensuring stability. The fin securely embraces the tube. A spinning tool artfully knurls the base tube, allowing the fin's foot to integrate seamlessly into the base tube's knurling, resulting in a robust bond and enhanced thermal efficiency.
When the correct fin strip is employed, each fin interlocks with the next, leaving no gaps and providing comprehensive protection against corrosion. This design significantly enhances the tube's resistance to corrosion. Similar to L fins, these fins are securely fixed at each end to prevent any unwinding, ensuring long-term durability. KL -Foot tension wound finned tubes are commonly utilized in metal-related applications due to their superior performance. Allows for a maximum operating temperature of up to 320°C (608°F), providing remarkable resilience.
Advantages:
Tubes engineered for exceptional corrosion resistance.
Designed to resist vibrational impacts and ensure stability.
Capable of enduring temperatures as high as 320°C (608°F), maintaining structural integrity.
Combining high thermal efficiency and stress resilience with protection from air corrosion results in a truly unparalleled performance.
KL fins can be utilized as a direct replacement for any existing form of finned tube, offering versatility.
LL-Foot Fin / Overlapped L
The fins are constructed from strips in a manner akin to the L type, but with the foot shaped into a precisely controlled stepped double L formation, then tapered to induce curling. The LL-Foot Fin - Overlapped L is then helically coiled onto a tube under tension, ensuring a secure fit. The fin clasps the tube tightly, with each fin overlapping the foot of the subsequent fin, providing comprehensive coverage. This design provides excellent protection from corrosion, safeguarding the tube's integrity. In corrosive environments, this type of tube is frequently chosen as a cost-effective alternative to the more expensive extruded type fin.
The fins are meticulously secured at each end, offering the same steadfast reliability and durability as the renowned L fins, ensuring unmatched performance and efficiency. The robust LL-type fin tube is expertly engineered to withstand temperatures soaring up to an impressive 350 degrees Fahrenheit (177°C), making it the ideal choice for high-temperature applications.
Parameters
| PRODUCT |
TYPE |
TUBE MATERIAL |
FIN MATERIAL |
TUBE SIZE |
FIN SIZE |
| Heat Exchanger Finned Tube |
Extruded Fin Tube |
All Kind of Material can be applied |
Aluminum A1100 |
15.88~50.8 |
7~11.5FPI |
| Fin Height Max 16mmH |
| L,LL,KL-Foot Fin Tube |
All Kind of Material can be applied |
Copper C1100, C1220... |
12.70~50.8 |
2.3~11.5FPI |
| Wrap Around Finned Tube |
Fin Height Max 16mmH |
| G-Fin Tube (Embedded Type) |
Aluminum A1100, A1050, A1060... |
|
| High Frequency Welded Fin Tube |
A179 Carbon Steel Tube |
Carbon Steel Tube |
12.70~160 |
1.5~7FPI |
| Stainless Steel Tube |
Stainless Steel Tube |
0.8~3.2mm. Thickness |
| Alloy Steel Material |
Alloy Steel Material |
|
| Integral Copper & Copper Alloy High Finned Tube |
C12200, C11000, C70600 |
C12200, C11000, C70600 |
15.88~22.23 |
5~9FPI |
| Max 12mm. H |
| Oval Finned Tube |
Carbon Steel Tube |
Carbon Steel Tube |
All Size Available |
5~15FPI |
| Stainless Steel Tube |
Stainless Steel Tube |
| Alloy Steel Material |
Alloy Steel Material |
| Copper & Copper Alloy Tube |
Copper & Copper Alloy Tube |
| Monometallic Fin Tube |
Low Fin Tube |
Carbon Steel, stainless steel, titanium, copper, brass, nickel alloy, etc. |
-- |
9.52~40 |
12, 16, 19 28 FPI, etc. |
| Turbo-C Tube |
| Turbo-E Tube |
| Corrugated Tube |
All Kind of Material |
-- |
6.35~40 |
2~9FPI |
Application
Our G Type Fin Tube with Embedded Finned Tube is perfectly designed for a wide array of applications, including aftercoolers, air coolers, air heaters, charge air chillers, condensers, convection heaters, and electric heaters. It also excels in evaporators, fluid coolers, gas coolers, heat pipes, and hydrogen coolers. Industrial tumble dryers, intercoolers, immersion heaters, and oil coolers benefit from its superior design, as do radiators, refrigeration systems, solvent recovery processes, and steam to air heat exchangers..
For an impressive span of 17 years, DATANG STEEL PIPE Co., Ltd. has established itself as a prestigious processor and wholesaler, exporting to discerning global markets.
Discover an extensive and diverse selection of high-performance Finned tubes, Fin tube heat exchangers, Air coolers, Radiators, Economizers, and Condensers,as well as Vaporizer/Evaporators, all proudly engineered by Datang.
Our expansive inventory boasts high-quality carbon steel seamless pipes,ERW pipes, SSAW pipes, and alloy steel pipes, complemented by an array of pipe fittings and flanges.
You are warmly invited to visit our state-of-the-art factory, and we eagerly anticipate the opportunity to collaborate with you.
With 17 years of dedicated service, DATANG STEEL PIPE Co., Ltd. continues to thrive as a leading manufacturer and wholesaler, proudly serving global markets.
Our expert sales and technical teams excel in crafting tailored solutions and offering bespoke product customizations to meet your unique needs.
Experience the wide-ranging selection of Finned tubes available at Datang.
Our cutting-edge production facilities encompass the following capabilities:
'G' Type Fin Tube (Embedded Finned Tube), along with 'L', 'LL', 'KL' Type Fin Tubes (Wrap Around Finned Tube) across six production lines,
as well as High Frequency Welded Fin Tubes (including Serrated Finned Tubes) over eight production lines,
Laser Welding Finned Tube with precision on a dedicated production line.
We also offer Extruded Finned Tubes, including Bimetallic and Integral Monometallic Low Fin Tubes, manufactured across six lines.
Our capabilities extend to custom solutions for Fin tube heat exchangers, Air coolers, Radiators, Economizers, Condensers, and Vaporizer/Evaporators, designed for your specific applications.
Our comprehensive inventory features premium carbon steel seamless pipes, ERW pipes, SSAW pipes, and alloy steel pipes, all essential for the precise manufacture of fin tubes.
Complement your projects with our selection of pipe fittings and flanges, always available to complete your requirements.
We warmly welcome you to explore our manufacturing excellence firsthand and look forward to forging a successful partnership with you.
Customer Tour&Cooperation
Frequently Asked Questions (FAQ)
Q1: Are you a factory or a trade company?
A1: We are a well-established factory complemented by a dedicated subsidiary international trade company for seamless export operations.
Q2: What can you provide?
A2: We are industry leaders in manufacturing top-quality Radiator and Heat Exchanger Equipment alongside a diverse array of meticulously crafted Fin Tubes.
Q3: Where is your factory located?
A3: Our state-of-the-art facility is nestled in the thriving industrial hub of Cangzhou city, Hebei province, China, fully equipped with advanced machinery to meet various demands.
Q4: How do you ensure quality control?
A4: Every shipment is accompanied by a thorough Inspection & Guarantee Certificate, and we offer the added assurance of Third Party Inspection if required.
Q5: What are the advantages of your company?
A5: Our company boasts a team of highly skilled professionals, offering competitive pricing and superior after-sales service that set us apart from the competition.
Q6: Can you arrange the shipment?
A6: Absolutely, we facilitate hassle-free shipping arrangements through our long-standing partnerships with reliable forwarders.
Q7: How about the delivery time?
A7: Delivery timelines are contingent on order specifics, typically within 30 days following receipt of your advance payment.
Q8: Can you provide samples?
A8: Yes, we are pleased to offer complimentary small samples readily available in our inventory.
Reach out to us today for more detailed information and personalized assistance!
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