Embedded Fin Tubes (ASME SA209 + Aluminum 1060 Fin Material) for Dry Cooler

Embedded Fin Tubes are high-efficiency heat transfer tubes in which a continuous aluminum fin strip (commonly Aluminum 1060) is mechanically embedded into a groove on the base tube surface (ASME SA209 alloy steel tube). This design ensures excellent thermal conductivity, strong fin-to-tube bonding, and long-term stability under thermal cycling.

They are widely used in heat exchangers where enhanced heat transfer, compact design, and corrosion resistance are required, especially in power generation, petrochemical, and boiler systems.

• Dry Cooler
• Boiler heat recovery systems
• Fired heaters and thermal oil heaters
• Waste heat recovery units (WHRU)
• Power plant heat exchangers
• Petrochemical and refinery equipment

• Tube OD: 19 mm – 63.5 mm (3/4" – 2-1/2")
• Tube Wall Thickness: 2.0 mm – 6.0 mm
• Fin Height: 5 mm – 17 mm
• Fin Thickness: 0.3 mm – 0.8 mm
• Fin Pitch: 2 mm – 8 mm
• Tube Length: up to 12,000 mm (custom lengths available)
• Fin Material: Aluminum 1060 (or equivalent high-purity aluminum strip)

Chemical Composition (typical):

• Carbon (C): 0.10–0.20%
• Manganese (Mn): 0.30–0.80%
• Phosphorus (P): ≤0.025%
• Sulfur (S): ≤0.025%
• Silicon (Si): 0.10–0.50%

Mechanical Properties (typical):

• Tensile Strength: ≥ 380 MPa
• Yield Strength: ≥ 205 MPa
• Elongation: ≥ 30%

Chemical Composition:

• Aluminum (Al): ≥ 99.6%
• Iron (Fe): ≤ 0.35%
• Silicon (Si): ≤ 0.25%
• Copper (Cu): ≤ 0.05%

Key Properties:

• Excellent thermal conductivity
• High corrosion resistance
• Good ductility for embedding process

To ensure high performance and reliability, embedded fin tubes are manufactured and inspected under strict quality control:

• Raw material PMI (Positive Material Identification)
• Dimensional inspection (OD, fin height, pitch, groove depth)
• Eddy current testing (ECT) for base tube integrity
• Hydrostatic pressure testing
• Ultrasonic testing (UT) (when required)
• Fin bond strength / pull-out test
• Visual and surface quality inspection
• Third-party inspection available (SGS, BV, TUV)

• Superior fin-to-tube bonding stability
• High heat transfer efficiency
• Excellent performance under thermal cycling
• Strong resistance to fin loosening or vibration damage
• Long service life in harsh industrial environments
• Cost-effective heat transfer solution