Welded Finned Tubes Manufacturer

Manufacturing high-quality welded finned tubes requires specialized, high-precision industrial equipment to ensure a solid, continuous metallurgical bond between the fin and the base tube, delivering maximum heat transfer efficiency.

Cangzhou Datang Steel Pipe Co., Ltd. provides premium fin tube welding machines, including the High-Frequency Finned Tube Welded Machine, the Laser Fin Tube Welded Machine, and the H-Type Fin Tube Welded Machine. All of our machines have been successfully commissioned and installed for our clients. Furthermore, we provide complimentary, regular core technical updates for our machinery to ensure that each piece of equipment continuously complies with the most stringent thermal operating conditions. This enables our clients to keep their production rhythm perfectly aligned with shifting market order demands.

Every parameter iteration undergoes rigorous laboratory simulation and on-site field-condition validation. Without requiring high capital investments in brand-new machinery, clients can seamlessly synchronize their in-use finned tube machines with the industry’s latest technical capabilities via remote upgrades or on-site technical services. This ensures operations always remain at the forefront regarding heat exchange efficiency, material utilization, and minimized operations and maintenance (O&M) costs. Clients are protected against rapid technology obsolescence, and the full lifecycle value of the asset is completely unlocked.

High-Frequency Welded (HFW) Spiral Finned Tube Machine

This type of equipment utilizes the skin effect of high-frequency currents to complete the solid-state welding of the fin to the base tube.

• Dimensional Range: It accommodates a base tube diameter range of 18 – 273 mm with a maximum processing length of up to 30 meters.

• Smart Configuration: It features stepless fin pitch adjustment and comes integrated with automatic shutdown protection triggered by strip breakage or loosening.

• Production Capability: It is highly optimized for the large-scale mass production of conductive materials such as carbon steel, achieving a weld penetration rate of up to 95%, along with high production efficiency and a low total cost of ownership.

The high-frequency resistance welded spiral finned tube production line is structured as a single-circuit manufacturing system, available in product power ratings of 100 kW, 200 kW, and 300 kW.

High-Frequency Finned Tube Welded (HFW)  Production Lines System Composition

1. Automated Steel Strip Feeding System
2. Automated Steel Pipe Feeding System
3. Finned Tube Coiling and Forming Device
4. High-Frequency Resistance Welding Mainframe
5. Finned Tube Discharging System
6. High-Frequency Welding Power Supply System
7. Master Control System

Main Technical Parameters of HFW Spiral Finned Tube Production Lines

Fin Tube Laser Welded Production Line

• High Welding Efficiency & Low Power Consumption: Energy consumption is only 5 – 10% of that required by high-frequency welding, significantly reducing production costs.

• High Degree of Automation: Base tube loading and finished product discharging are fully automated, which minimizes manual operational intervention and enhances throughput efficiency.

• Wide Array of Weldable Materials: Achieves a maximum welding speed of up to 400 rpm/min for standard diameter tubes.

• High Laser Weld Penetration: Capable of achieving a 99% weld penetration rate, thereby maximizing thermal performance and operational lifespan.

• Optimized Fin Pitch & Thickness: Laser welding enables a significantly tighter fin pitch and a much thinner fin thickness, improving heat transfer performance and lowering operating costs.

The fin tube laser welding equipment primarily consists of the welding bed, automated base tube feeding rack, automated finned tube receiving rack, steel strip pay-off reel, and related sub-systems.

The laser welded production line is integrated with a state-of-the-art fiber laser source to ensure highly stable and superior welding results in metallurgical bonding.

Technical Specifications & Parameters of Fin Tube Laser Welded Machine

Note: Deviations may exist between the tabulated data and actual welding parameters; the data above is for reference purposes only.

Case Studies

• Finned tube laser welding machine exported to Türkiye
• Finned tube laser welding production line exported to Russia

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H-Type Fin Tube Welded Machine

The H-type fin tube welding machine is a specialized industrial equipment engineered for the mass production of H-type and Double H-type finned tubes. It features synchronized dual-fin welding capabilities, achieving a weld penetration rate of up to 97%. Currently, these machine configurations are deployed primarily as automated production lines, effectively resolving the industry pain points associated with traditional manual TIG (Argon Arc) welding, such as low yield rates, severe thermal deformation, and insufficient throughput efficiency.

Main Components of the H-Type Fin Tube Welding Production Line

H-type welding machine mainframe, fin tube welding power supply system, steel pipe loading bed, traction/drag device, master control console, and fin tube discharging bed.

Technical Parameters of Fin Tube H-Type  Welding Equipment

Please contact our engineering and technical team to discuss specific pipe dimensions, material requirements, or project timelines. We are ready to tailor the ideal HFW (High-Frequency Welded), laser-welded, or H-type finned tube production line to your facility’s specific needs.