| Product Name: | HFW Finned Tube | Type: | U-Fin Tube |
|---|---|---|---|
| Standard: | ASME SA106/ASTM A106 | Material: | Gr.B |
| Packing: | Plywood Case/Iron Case | Application: | Heat Exchanger |
| High Light: | Heat Exchanger Finned Tube，Condenser HFW Finned Tube ，Gr.B Boiler Tube | ||
ASME SA106/ASTM A106 GR.B Carbon Steel High Frequency Welded/HFW U-Fin Tube
Why use finned tube?
Increased Surface Area: The primary purpose of finned tubes is to enhance the heat transfer efficiency by increasing the surface area available for heat exchange. The fins on the tube's outer surface significantly increase the contact area between the tube and the surrounding fluid or air， facilitating more efficient heat transfer.
Improved Heat Transfer: By increasing the surface area， finned tubes enable better heat transfer between the fluid or air flowing inside the tube and the environment outside. This is particularly beneficial in applications where efficient heat transfer is crucial， such as heat exchangers， air conditioning systems， and refrigeration units.
Enhanced Heat Dissipation: Fins on the tube surface aid in dissipating heat into the surrounding air or fluid more effectively. This attribute is useful in various applications， including radiators， condensers， and oil coolers， where the heat needs to be efficiently removed to maintain optimal operating temperatures.
Compact Design: Finned tubes allow for more compact and space-efficient heat exchanger designs. The increased surface area offered by the fins reduces the number of tubes required， resulting in more compact and lightweight heat exchangers without compromising their efficiency.
Chemical Composition Of ASME SA106 Gr.B :
| Composition，% | C | Mn | P | S | Si | Cr | Cu | Mo | Ni |
Grade B | 0.3max | 0.29-1.06 | 0.035max | 0.035max | 0.1min | 0.4max | 0.4max | 0.15max | 0.4max |
Mechanical properties:
| Requirement | Tensile Strength | Yield Strength | Elongation |
| Grade B | ≥415(Mpa) | ≥240(Mpa) | ≥30(%) |
Application:
1.Heat Exchangers: U finned tubes are frequently used in heat exchangers where efficient heat transfer is essential. The U shape of the finned tube allows for a larger heat transfer area within a compact space. This makes U finned tubes suitable for applications such as air coolers， oil coolers， and gas-to-gas heat exchangers.
2.Boilers: U finned tubes can be found in boilers， specifically in areas where heat recovery is crucial. By maximizing the heat transfer area， U finned tubes assist in capturing more heat from flue gases， increasing the overall efficiency of the boiler system.
3.Air Conditioning and Refrigeration: U finned tubes are utilized in air conditioning and refrigeration systems， particularly in evaporator and condenser units. Their design enhances the heat transfer between the refrigerant and the surrounding air or water， facilitating efficient cooling and dehumidification.
4.Power Plants: U finned tubes are employed in power plants for various applications， including heat recovery steam generators (HRSG)， condensers， and economizers. The U-shaped design of the finned tubes enables an extended heat transfer area， enhancing energy efficiency and optimizing the power generation process.
