Steel HFW Fin Tube Radiators Manufacturers
Steel High Frequency Welded Fin Tube Radiator – Industrial Heating Solutions
In the demanding world of industrial heat exchange, efficiency and durability are not just goals—they are necessities. Cangzhou Datang Steel Pipe Co., Ltd. specializes in manufacturing high-performance Steel High Frequency Welded (HFW) Fin Tube Radiators, engineered to provide superior thermal conductivity for the most challenging environments.
Maximize thermal efficiency in your industrial facility with Datang’s premium Steel High Frequency Welded (HFW) Fin Tube Radiators. Designed for heavy-duty applications, our radiators utilize advanced high-frequency induction welding technology to create a seamless metallurgical bond between the fin and the base tube.
Unlike traditional wound fin tubes, our HFW process ensures zero contact resistance, superior heat transfer coefficients, and exceptional durability against vibration and thermal shock. Whether for steam heating, hot water systems, or waste heat recovery, Datang Finned Tube delivers reliable performance for the most demanding environments.
Whether you are optimizing a power plant, upgrading an oil refinery, or designing a large-scale HVAC system, our HFW finned tubes offer a robust solution that balances cost-effectiveness with world-class engineering.
What is a High Frequency Welded Fin Tube?
High Frequency Welding (HFW) is a specialized manufacturing process where a steel strip is spirally wound around a base steel pipe. Using high-frequency electrical current, the edge of the fin and the surface of the pipe are heated to a plastic state and fused together under pressure.
This creates a homogeneous bond between the fin and the tube, ensuring:
- Zero Thermal Resistance: Unlike tension-wound fins, the welded connection ensures heat flows seamlessly from the pipe to the fin.
- Mechanical Integrity: The bond is stronger than the parent metal, meaning the fins will not loosen even under extreme thermal cycling or vibration.
- Robust Metallurgical Bond: Our HFW technology fuses the fin and tube at the molecular level. This eliminates “fin relaxation” or loosening caused by thermal expansion and contraction cycles, ensuring long-term stability.
- Corrosion & Pressure Resistance: Constructed from high-grade steel and treated with anti-corrosion coatings (silver paint, aluminum plating, or epoxy), our radiators withstand harsh industrial atmospheres, including high humidity and chemical exposure.
Technical Specifications
At Datang Steel Pipe, we customize every radiator to meet specific project requirements, including GOST, ASTM, and DIN standards.
| Feature | Specification Range |
| Base Tube Materials | Carbon Steel (A179, A106, ST35.8), Stainless Steel (TP304/316L), Alloy Steel |
| Fin Materials | Carbon Steel, Stainless Steel |
| Tube OD | 18mm – 273mm |
| Fin Height | 10mm – 35mm |
| Fin Thickness | 0.6mm – 3.0mm |
| Fin Pitch | 3mm – 25mm (Customizable) |
Why Choose Datang’s HFW Fin Tube Radiators?
1. Enhanced Heat Transfer Area
By welding spiral fins onto the base tube, the external surface area is increased by 8 to 12 times. This allows for a more compact radiator design, saving space and reducing material costs without sacrificing cooling or heating capacity.
2. Exceptional Durability in Harsh Environments
Our steel HFW radiators are designed for heavy-duty industrial use. The continuous weld prevents moisture from entering the gap between the fin and tube, eliminating the risk of galvanic corrosion—a common failure point in “L” or “KL” type finned tubes.
3. High Temperature & Pressure Resistance
Our HFW tubes can operate reliably at temperatures exceeding 400°C. This makes them the preferred choice for boiler economizers, waste heat recovery units (WHRU), and gas coolers.
4. Precision Manufacturing
Using advanced automated welding lines, Datang ensures uniform fin spacing and consistent weld penetration. Every unit undergoes rigorous quality checks, including pressure testing and ultrasonic inspection, to guarantee leak-free performance.
Common Applications
Our Steel High Frequency Welded Fin Tube Radiators are widely used across global industries:
- Industrial HVAC & Heating: Ideal for large-span workshops, warehouses, and factories (machinery, metallurgy, electronics) requiring rapid temperature rise using steam or hot water.
- Power Generation: Used in boiler air preheaters and economizers to recover waste heat from flue gases, improving overall plant efficiency.
- Petroleum & Chemical: Essential for cooling reactors and condensers where corrosion resistance and high-pressure tolerance are critical.
- Drying Systems: Widely used in food processing and agricultural drying equipment due to consistent thermal output.
Frequently Asked Questions (FAQ)
Q: Can [Your Company Name] customize the radiator dimensions?
A: Yes. We offer OEM services. You can specify the number of rows, fin pitch, connection port sizes (flanged or threaded), and overall length to fit your existing piping system.
Q: What is the lifespan of these radiators?
A: Under normal operating conditions with proper maintenance (periodic dust cleaning), our steel HFW radiators have a service life exceeding 10-15 years, significantly longer than cast iron alternatives.
Q: Do you provide samples?
A: We can provide samples for quality testing. Please contact our sales team for details regarding sample availability and shipping.
Partner with Datang Steel Pipe
As a leading manufacturer and exporter, Cangzhou Datang Steel Pipe Co., Ltd. is committed to delivering “Quality Without Compromise.” From technical design to rapid global shipping, our foreign trade department ensures a seamless procurement experience for clients in the Middle East, Southeast Asia, Europe, and beyond.
Looking for a technical quote or a custom design for your next project?
Contact Datang Steel Pipe today:
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Website: www.datangfinpipe.com
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Expertise: High Frequency Welded, Laser Welded, and Extruded Fin Tubes.
Applications of Steel High Frequency Welded Fin Tube Radiators
The Steel High Frequency Welded Fin Tube Radiator is a cornerstone of modern thermal engineering, designed to maximize heat transfer efficiency in demanding industrial environments. At Datang Steel Pipe, we manufacture these radiators to bridge the gap between high-performance cooling and long-term mechanical durability.
Every Steel High Frequency Welded Fin Tube Radiator produced by Cangzhou Datang Steel Pipe Co., Ltd. is optimized for Google-standard performance and engineering excellence. Whether your project is a desert oil field in Syria or an energy plant in Singapore, our HFW technology ensures your heat exchange system operates with zero thermal resistance and maximum structural integrity.
The most critical use of the Steel High Frequency Welded Fin Tube Radiator is within Boiler Economizers and Waste Heat Recovery Units (WHRU). By installing these radiators in the exhaust stream, power plants can capture waste heat to preheat feedwater, significantly lowering fuel costs and carbon footprints.
In the oil sector, stability is everything. Our Steel High Frequency Welded Fin Tube Radiators act as the core of Air-Cooled Heat Exchangers (ACHE) to cool high-temperature crude oil and process gases. Because fins are welded at a molecular level, they withstand vibrations and thermal cycling common in refinery operations.
For waste-to-energy and incineration plants, the Steel High Frequency Welded Fin Tube Radiator by Datang is used for flue gas cooling and air preheating. The robust steel-on-steel construction allows these units to handle the abrasive nature of industrial exhaust while maintaining peak thermal conductivity.
From chemical processing to large-scale textile and grain drying, the Steel High Frequency Welded Fin Tube Radiator provides the massive surface area (8–12 times that of a bare pipe) needed for rapid temperature regulation and unmatched heat exchange efficiency across various demanding industrial thermal applications.
Engineering Design
We exclusively utilize HTRI and EDR design software from a renowned European software provider.
With 18 years of strategic partnership, we have successfully designed, manufactured, and exported heat exchangers to over 50 countries worldwide.
Customer feedback consistently confirms that actual cooling performance aligns precisely with theoretical design values.
We can provide detailed drawing after your order.We can also provide Custom services.
Finned Tube Radiator Water Pressure Test
Finned tube radiator water pressure test uses water as the medium. Water is injected into the equipment and pressurized to test the equipment’s sealing and pressure-bearing capacity.
Pressure testing is crucial for the safe operation of finned tube radiators. It allows for the timely identification and resolution of equipment problems, such as leaky seals and insufficient pressure-bearing capacity. Failure to identify and address these issues can lead to equipment failures and even accidents. Therefore, pressure testing is not only a test of equipment performance but also a safeguard for industrial safety.
Fin Tube Radiator Air Pressure Test
An air pressure test on fin tube radiator uses gas as the medium. Pressure testing tests equipment performance by applying pressure. Strictly following operating procedures ensures the safety and reliability of the process and results.
Pressure testing is essential after equipment installation or maintenance. It helps verify the equipment’s sealing and pressure-bearing capacity, ensuring that safety incidents such as leaks or ruptures do not occur during operation.
Nondestructive Magnetic Particle Testing of finned tube radiators
Nondestructive magnetic particle inspection of air coolers uses magnetic particles as a detection medium to observe defects in finned tube radiators.
Magnetic particle inspection has a sensitivity that can detect discontinuities as narrow as 0.1μm. By combining multiple magnetization methods, magnetic particle inspection is virtually unaffected by workpiece size and geometry, and can detect defects in all directions.
Fin Tube Radiators Package
Payment Terms:T/T, LC
Delivery: 15-30 days after payment
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Iron frame packing boxes and the desiccants are put into each package for continental transportation as well. or as required
Material Classification of Steel High Frequency Welded Fin Tube Radiators
This is the most common material for standard industrial heat exchangers where extreme corrosion is not a primary concern.
- Base Tube: ASTM A179, A106 Gr.B, ST35.8.
- Fin Material: Low Carbon Steel (DC01, SPCC).
- Applications: Boiler economizers, air preheaters, and general HVAC systems.
- Advantage: Excellent thermal conductivity and the most economical solution for high-temperature recovery.
Designed for aggressive environments or industries with strict hygiene and durability standards.
- Base Tube & Fin: TP304/304L, TP316/316L, 321, 310S.
- Applications: Chemical processing, food industry, and flue gas cooling in waste-to-energy plants.
- Advantage: Superior oxidation resistance and long service life in acidic or humid conditions.
Engineered for high-stress applications requiring specific mechanical properties.
- Base Tube: ASTM A213 T11, T22, T91.
- Fin Material: Carbon Steel or Alloy Steel.
- Applications: Superheaters in power plants and high-pressure gas coolers.
- Advantage: Maintains structural integrity under extreme pressure and fluctuating thermal loads.
A specialized Steel High Frequency Welded Fin Tube Radiator category for sulfuric acid resistance.
- Material: 09CrCuSb (ND Steel), SPA-H.
- Applications: Coal-fired boiler tail-end heat recovery where dew point corrosion is a risk.
- Advantage: Specifically designed to resist “cold-end” corrosion in industrial exhaust systems.
Related Product
Finned Tube Radiator FAQs
A: The finned tube radiators can be customized. We can produce it according to your drawings, and we can sign a confidentiality agreement for your patented products. For more information, please contact us.
A: Always a pre-production sample,before mass production;always final inspection before shipment.
Inspection & Guarantee Certificate is supplied with shipment, and the Third Party Inspection is available.
A: One year after shipping.
A: We have workshop can supply all parts of the finned tube radiator, and 90% of spare parts can be distributed to any
place in the world within one week!
A: We can arrange for experienced engineers to provide online video guidance on product installation and train your staff on equipment operation and maintenance.
A: We have many professional and technical personnel, more competitive prices and better after-dales service than other companies.
A: Datang has high frequency resistance welding finned tube production line 18, extruded finned tube equipment 30, laser welding finned tube production line 2, wound finned tube production line 12. The annual capacity can reach 100,000 tons, the specification φ 18-273mm finned tube, according to the customer requirements of the standard production, service has exceeded 3000+ enterprises.