Finned tube

We specialize in the R&D and production of high-quality fin tubes, covering a variety of types and specifications. Suitable for industrial heat exchange, HVAC, new energy and other fields, we provide customized heat exchange solutions with excellent heat transfer efficiency and stable structural performance to reduce energy consumption and improve production capacity.

1.Embedded Fin Tubes(Embedded - Type G Fin Tubes)
Product Advantages

  • Compact Structure: Fins are tightly inserted into the base tube with high fit, no loosening risk, and stable heat transfer efficiency.
  • Strong Vibration Resistance: The insertion process ensures firm connection between fins and base tube, which can adapt to high-frequency vibration working conditions and is not easy to fall off.
  • Excellent Corrosion Resistance: Fins and base tube can be flexibly matched in material, suitable for corrosive medium environment and extending service life.
  • Controllable Cost: Mature production process, high cost performance in mass production, suitable for medium and large heat exchange equipment.
Parameter Name
Specification Range
Optional Materials
Base Tube Diameter
10mm – 108mm
Carbon Steel, Stainless Steel, Copper
Fin Height
5mm – 50mm
Same as Base Tube / Aluminum Alloy
Fin Spacing
2mm – 20mm
Customizable on Demand
Operating Temperature
-40℃ – 600℃
Adjustable According to Material

Application Scenarios

Industrial boilers, waste heat recovery equipment, chemical heat exchangers, central heating systems, marine heat exchange equipment and other working conditions with high-frequency vibration and medium-low temperature corrosion.

2.Extruded Fin Tubes (Extruded - Single Metal Tubes, Low Fin Tubes, Corrugated Tubes/Bellows)
Product Advantages

  • Integral Molding: Fins and base tube are integrally extruded without connection gaps, low heat transfer resistance and high heat transfer efficiency.
  • Excellent Strength: Compact structure after molding, strong compression and deformation resistance, suitable for high-pressure working conditions.
  • Good Thermal Conductivity: No contact thermal resistance, rapid heat transfer, which can effectively reduce energy consumption and improve heat exchange effect.
  • Easy to Clean: Smooth fin surface, not easy to accumulate dust and scale, low later maintenance cost and long service life.

Core Parameters

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Base Tube Diameter
8mm – 89mm
Aluminum Alloy, Copper Alloy, Stainless Steel
Fin Height
3mm – 40mm
Same as Base Tube
Fin Spacing
1.5mm – 15mm
Customizable on Demand
Operating Temperature
-50℃ – 400℃
Adjustable According to Material

Application Scenarios

Automotive radiators, air conditioning condensers, evaporators, household water heaters, small industrial heat exchangers, new energy battery cooling systems and other medium-low pressure, high-efficiency heat exchange scenarios.

3.Wound Fin Tubes (Wound - Type L/KL/LL Fin Tubes)
Product Advantages

  • Efficient Production: Adopting winding process, fast production speed, mass production available, suitable for large-scale order demand.
  • Flexible Specifications: Fin spacing and height can be flexibly adjusted, customizable according to different heat exchange needs, strong adaptability.
  • Large Heat Exchange Area: Fins are tightly wound, large heat exchange area per unit length, and outstanding heat transfer efficiency.
  • Economical Cost: High raw material utilization rate, simple production process, high cost performance, suitable for conventional heat exchange scenarios.

Core Parameters

Parameter Name
Specification Range
Optional Materials
Base Tube Diameter
15mm – 159mm
Carbon Steel, Stainless Steel, Copper, Copper-Nickel Alloy
Fin Height
6mm – 60mm
Carbon Steel, Stainless Steel, Aluminum Alloy
Fin Spacing
3mm – 25mm
Customizable on Demand
Operating Temperature
-30℃ – 550℃
Adjustable According to Material

Application Scenarios

Power station boilers, industrial furnace waste heat recovery, HVAC systems, cold storage refrigeration equipment, chemical reactor heat exchange, seawater desalination equipment and other large-scale heat exchange scenarios.

4.String Fin Tubes
Product Advantages

  • Simple Structure: Fins adopt stringing process, easy to assemble, convenient for later maintenance and fin replacement, low cost.
  • Wide Adaptability: Fins can be flexibly matched according to base tube specifications, suitable for base tubes of different calibers and materials.
  • Uniform Heat Dissipation: Uniformly distributed fins, controllable heat exchange area, which can achieve uniform heat dissipation and improve heat exchange stability.
  • High Cost Performance: Simple production process, low raw material cost, suitable for small and medium-sized heat exchange equipment and low-cost demand scenarios.

Core Parameters

Parameter Name
Specification Range
Optional Materials
Base Tube Diameter
10mm – 76mm
Carbon Steel, Stainless Steel, Copper
Fin Height
4mm – 35mm
Carbon Steel, Aluminum Alloy, Copper
Fin Spacing
2mm – 18mm
Customizable on Demand
Operating Temperature
-20℃ – 450℃
Adjustable According to Material

Application Scenarios

Small industrial heat exchangers, household heating, air conditioning evaporators, mechanical equipment cooling systems, small boiler waste heat recovery and other small and medium-sized, low-cost heat exchange scenarios.

5.Welded Fin Tubes (Welded - High-Frequency Welded Fin Tubes, Type H/HH Fin Tubes, Stud Tubes)
Product Advantages

  • Firm Connection: Fins and base tube are connected by welding process, with extremely high bonding strength, no falling risk, suitable for high temperature and high pressure working conditions.
  • Excellent High Temperature Resistance: The welding joint has strong high temperature resistance, can work stably for a long time in high temperature environment, and the heat transfer efficiency is not affected.
  • Strong Adaptability: Fins and base tube of different materials can be welded to meet the heat exchange needs of special media and special working conditions.
  • Good Stability: The welded structure has strong sealing performance, not easy to leak, can adapt to harsh working conditions such as corrosion and high pressure, and has a long service life.

Core Parameters

Parameter Name
Specification Range
Optional Materials
Base Tube Diameter
12mm – 133mm
Carbon Steel, Stainless Steel, High-Temperature Alloy
Fin Height
5mm – 55mm
Same as Base Tube, High-Temperature Alloy
Fin Spacing
2.5mm – 22mm
Customizable on Demand
Operating Temperature
-50℃ – 800℃
Adjustable According to Material

Application Scenarios

High-temperature boilers, industrial furnaces, petrochemical heat exchangers, metallurgical equipment heat exchange, gas turbine cooling systems, high-temperature waste heat recovery equipment and other high-temperature, high-pressure and harsh working conditions.

Core Parameters and Characteristics Comparison of Five Types of Fin Tubes

Fin Tube Type
Core Models
Base Tube Diameter Range
Operating Temperature Range
Core Advantages
Typical Application Scenarios
Embedded
Type G Fin Tubes
10mm – 108mm
-40℃ – 600℃
Strong Vibration Resistance, Excellent Corrosion Resistance, Compact Structure
Industrial Boilers, Marine Heat Exchange, Waste Heat Recovery
Extruded
Single Metal Tubes, Low Fin Tubes, Corrugated Tubes/Bellows
8mm – 89mm
-50℃ – 400℃
Integral Molding, Good Thermal Conductivity, Easy to Clean
Automotive Radiators, Air Conditioning, Household Water Heaters
Wound
Type L/KL/LL
15mm – 159mm
-30℃ – 550℃
Efficient Production, Large Heat Exchange Area, Flexible Specifications
Power Station Boilers, Cold Storage, Seawater Desalination
String
No Specific Sub-models
10mm – 76mm
-20℃ – 450℃
Simple Structure, Easy Maintenance, High Cost Performance
Household Heating, Small Industrial Heat Exchangers
Welded
High-Frequency Welded, Type H/HH, Stud Tubes
12mm – 133mm
-50℃ – 800℃
Firm Connection, High Temperature Resistance, Suitable for Harsh Conditions
High-Temperature Boilers, Metallurgy, Petrochemical Industry