ASTM A269 TP304 Extruded Finned Tubes With Aluminum 1060 Fins For Air Coolers Fin Height 17MM Fin Thick 0.2-0.4MM
1. What is ASTM A269 TP304 Extruded Finned Tube with Aluminum 1060?
The ASTM A269 TP304 Extruded Finned Tube with Aluminum 1060 is a premium heat transfer solution designed for corrosive and high-purity applications. It combines a seamless austenitic stainless steel base tube (ASTM A269 TP304, 18% Cr, 8% Ni) with Aluminum 1060 fins (99.6% pure aluminum) through a precision extrusion process. The fins are mechanically bonded to the tube surface under controlled conditions, ensuring a seamless, gap-free interface. This hybrid design leverages the corrosion resistance of TP304 stainless steel in acidic/chloride environments and the ultra-high thermal conductivity of Aluminum 1060, making it ideal for industries requiring hygiene, durability, and rapid heat transfer.
2. Chemical & Mechanical Properties
Chemical Properties
|
Component |
Chemical Composition |
Key Features |
|
ASTM A269 TP304 Base Tube |
• Cr: 18–20%, Ni: 8–10.5%, C: ≤0.08%, Mn: ≤2.0%, Fe: Balance. |
• Resists pitting, crevice corrosion, and oxidizing acids. |
|
Aluminum 1060 Fins |
• Al: 99.6% min, Fe+Si: ≤0.40%, Cu: ≤0.05%. |
• Exceptional thermal conductivity (235 W/m·K). |
|
Synergy |
• Electrically insulated bonding prevents galvanic corrosion between steel and aluminum. |
• Ideal for systems with thermal cycling and humidity. |
Mechanical Properties
|
Component |
Mechanical Performance |
Key Features |
|
ASTM A269 TP304 Base Tube |
• Tensile Strength: 515–860 MPa |
• High-pressure tolerance (up to 30 MPa). |
|
Aluminum 1060 Fins |
• Tensile Strength: 70–110 MPa |
• Lightweight for reduced structural load. |
|
Bond Integrity |
• Shear Strength: ≥50 MPa at fin-tube interface. |
• Zero fin detachment under vibration. |
3. Key Applications
· Pharmaceutical & Biotechnology: Sterilizable heat exchangers for clean-in-place (CIP) systems.
· Food & Beverage: Hygienic pasteurizers, chillers, and steam heating systems (FDA/EHEDG compliant).
· Chemical Processing: Acid-resistant condensers and reactors.
· HVAC & Refrigeration: Energy-efficient air coolers and heat pumps.
· Marine Engineering: Corrosion-resistant cooling systems for seawater desalination.
4.Why Choose ASTM A269 TP304 + Aluminum 1060 Finned Tubes?
· 40% Faster Heat Transfer vs. all-stainless-steel finned tubes.
· Zero Cross-Contamination: Smooth surface meets FDA/EHEDG hygiene standards.
· 50% Lighter Weight than full-metal designs, reducing installation costs.
· Certified Reliability: Complies with ASTM A269, ASTM B209, and ISO 9001.
· 20-Year Lifespan in corrosive environments.
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