ASTM A249 TP304 Stainless Steel HFW Type Finned Tube for Heat Exchanger

HFW finned tubes can have different types of fins based on the application requirements. Common fin types include extruded fins, embedded fins, spiral fins, and helical fins. Each type offers different advantages in terms of heat transfer efficiency, compactness, and fouling resistance. This welded steel finned tube configuration can be used for any practically heat exchanger application, and is particularly suited to high temperature and high pressure applications. The important features of this configuration are efficient, effective bond of fin to tube under all conditions of temperature and pressure, and ability to withstand high fin-side temperatures. A continuous helical fin is attached to the base tube by high frequency electric resistance welding in order to give an efficient and thermally reliable bond.

Technical Details/Base Tube Details

Tube Diameter : 20 mm OD Min to 219 mm OD Max.

Tube Thickness : Minimum 2 mm up to 16mm

Tube Material : Carbon Steel, Stainless Steel, Alloy Steel, Corten steel, duplex Steel, Super Duplex Steel, Inconel, High Chrome High Nickle & Incolloy, CK 20 material and some other material.

Fin Details

Fins Thickness : Min. 0.8 mm to Max. 4 mm

Fins Height : Min 0.25” (6.35 mm) To Max.1.5” (38 mm)

Fin Density : Min 43 Fins Per Meter To Max. 287 Fins Per Meter

Material : Carbon Steel, Stainless Steel, Alloy Steel, Corten steel, Duplex Steel and Incolloy.

For a rapid quotation, plz send with following requirement:

Number of pieces,

base tube: Diameter, thickness, length and material specification.

Fins: material specification, type (solid or serrated), height, thickness, spacing, finned length and unfinned sections. Weld prep details if required.

Delivery period required.

Some Key Details About HFW Finned Tubes:

1. Construction: HFW finned tubes consist of a base tube and fins that are welded onto the outer surface of the tube. The base tube serves as the primary conduit for the fluid, while the fins increase the surface area available for heat transfer.

2. High-Frequency Welding: HFW finned tubes are manufactured using a high-frequency welding process, where the fins are closely joined to the tube by means of electric resistance heating. This welding technique creates a strong bond between the fins and the tube, ensuring efficient heat transfer and structural integrity.

3. Material Options: HFW finned tubes can be manufactured from various materials depending on the specific application requirements. Common materials include carbon steel, stainless steel, copper, and aluminum. The choice of material depends on factors such as the operating temperature, corrosion resistance, and mechanical properties needed for the application.

4. Benefits: HFW finned tubes offer several benefits, including increased heat transfer area, improved heat transfer efficiency, reduced equipment size, enhanced performance in compact spaces, and better resistance to fouling. These advantages make them well-suited for applications that require high thermal performance and compact design.

Application of Finned Tube in Industries

HFW finned tubes are widely used in industries where efficient heat transfer is critical, including power generation, petrochemical, HVAC (Heating, Ventilation, and Air Conditioning), refrigeration, and process industries. They are commonly employed in air coolers, heat exchangers, condensers, economizers, and boilers to improve heat transfer efficiency and optimize energy consumption.

• Petroleum Industry
• Chemical industry
• Wood industry
• Food industry
• Steel Industry
• Plastic molding industry
• Glycol dehydration units
• Coils for hybrid cooling towers
• Printing Machines
• Production of surface coatings
• Solvent recovery
• Cooling of turbine air intakes
• Textile production
• Greenhouse heaters and breeding
• Tanneries
• Anti-freeze coils for process air
• Paper works