Embedded Finned Tubes for Air Coolers with ASME SA179 Carbon Steel Tube and AL1060 Aluminum Fins

Embedded finned tubes are specially designed heat transfer components widely used in air coolers, air-cooled heat exchangers (ACHE), and industrial cooling systems. This product uses ASME SA179 seamless carbon steel tubes as the base tube material and AL1060 aluminum as the embedded fin material, providing an effective combination of thermal conductivity, mechanical strength, and corrosion resistance.

The embedded fin structure is manufactured by machining grooves on the outer surface of the base tube and mechanically inserting aluminum fins into the grooves. This process creates a strong mechanical bond between the tube and fins, improving heat transfer efficiency while maintaining reliable performance under continuous operating conditions.

ASME SA179 is a commonly selected material for heat exchanger tubing due to its excellent thermal conductivity, smooth surface finish, and suitability for low and medium temperature heat transfer applications. AL1060 aluminum fins offer high thermal conductivity and lightweight characteristics, making this combination suitable for air cooler applications where efficient heat dissipation is required.

The embedded fin design increases the external heat transfer area significantly compared with bare tubes. The aluminum fins improve air-side heat exchange capability, which is especially important for air coolers where air-side thermal resistance is usually the controlling factor.

Unlike simple wrapped fin tubes, embedded finned tubes achieve a mechanical connection through a machined groove and inserted fin structure. This design helps maintain good contact between the tube and fin during thermal expansion and long-term operation.

Embedded finned tubes made from ASME SA179 and AL1060 are commonly used in:

• Air-cooled heat exchangers
• Refinery cooling equipment
• Petrochemical plants
• Gas processing facilities
• Power generation auxiliary cooling systems
• Industrial refrigeration equipment
• Process cooling units

The ASME SA179 + AL1060 material combination is commonly applied in:

• Air Cooler Heat Exchangers (ACHE)
• Petrochemical cooling systems
• Refinery process coolers
• Natural gas cooling units
• Compressor cooler packages
• Condensers and evaporators
• HVAC industrial cooling equipment

Material Standard: ASME SA179 / ASTM A179
Material Type: Seamless low carbon steel heat exchanger tube

Common tube dimensions:

Customized dimensions are available according to customer drawings and heat exchanger requirements.

Material: Aluminum AL1060

Common fin parameters:

The fin dimensions can be adjusted according to airflow conditions, heat transfer calculations, and equipment design.

Typical chemical composition:

The low carbon content provides good weldability, formability, and compatibility with heat exchanger manufacturing processes.

Typical chemical composition:

High aluminum purity provides excellent thermal conductivity and corrosion resistance.

Typical mechanical requirements:

• Tensile Strength: ≥325 MPa
• Yield Strength: ≥180 MPa
• Elongation: ≥35%

Typical properties:

• Tensile Strength: approximately 75–95 MPa
• Good ductility and forming performance
• High thermal conductivity