SA-179 Extruded Finned Tubes for Debutanizer Condenser
SA-179 bimetallic extruded finned tubes (SA-179 rolled aluminum finned tubes) are ideal heat-transfer elements for debutanizer overhead condensers / air coolers in petroleum refining and petrochemical plants.
- Base Tube Material: ASTM A179 / ASME SA-179
- Base Tube Outside Diameter (OD): 12.7 mm – 60 mm
- Fin Material: Aluminum 1060 / 1100
- Max. Operating Temperature: ≤ 300 °C
SA-179 Extruded Finned Tubes for Debutanizer Condenser Professional Manufacturer Datang
SA-179 extruded finned tubes (rolled aluminum finned tubes) are high-efficiency heat transfer elements engineered specifically for industrial equipment such as debutanizer condensers and air-cooled heat exchangers (ACHE).
Featuring a dual-metal composite structure, these tubes seamlessly combine the pressure-bearing capability of seamless carbon steel base tubes with the superior thermal conductivity and corrosion resistance of aluminum fins.
SA-179 Extruded Finned Tubes for Debutanizer Condenser Specifications
| Parameter | Recommended Specification |
| Base Tube Material | ASTM A179 / ASME SA-179 (Seamless Cold-Drawn Carbon Steel) |
| Base Tube Outer Diameter (OD) | 1″ (25.4 mm) or 3/4″ (19.05 mm) |
| Base Tube Wall Thickness (WT) | 2.11 mm (BWG 14) or 2.77 mm (BWG 12) |
| Fin Material | Aluminum 1060 / 1100 |
| Fin Height | 1/2″ (12.7 mm) or 5/8″ (15.875 mm) |
| Fin Thickness | 0.35 mm – 0.45 mm |
| Fin Pitch / FPI | 10 – 11 FPI (Fins Per Inch) |
| Max. Operating Temperature | ≤ 300 °C |
Why Choose SA-179 as the Base Tube?
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Optimal Pressure & Temperature Rating
Debutanizer overhead condensers typically operate under low-to-medium pressure conditions (~1.0–1.8 MPa with process temperatures around 40°C–120°C). ASTM A179 / ASME SA-179 cold-drawn seamless low-carbon steel tubes deliver exceptional pressure resistance and mechanical strength perfectly calibrated for this operating window.
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Superior Cold Workability & Toughness
With its refined grain structure and high ductility, SA-179 withstands intense mechanical stress during the bimetallic co-extrusion process. This guarantees a tight, gap-free mechanical bond between the base tube and the aluminum sleeve without structural deformation.
Why Choose the Extruded (Bimetallic) Type?
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100% Full Outer Corrosion Protection
In debutanizer overhead air coolers, hydrocarbon mixtures flow inside the tubes while ambient air provides external cooling. The outer aluminum sleeve (typically Al 1060 / Al 1100) completely encapsulates the SA-179 carbon steel base tube—blocking atmospheric moisture, rain, and corrosive industrial environments to eliminate outer wall pitting.
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Low Thermal Contact Resistance & High Heat Transfer
The rotary extrusion manufacturing process creates an extraordinarily tight mechanical bond between the aluminum muff and the steel tube, resulting in near-zero contact thermal resistance. The fins remain permanently locked in place, even under severe fan vibration and repeated thermal cycling.
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Easy Cleaning & Maintenance
Extruded fins feature smooth surfaces and high structural rigidity. When dust or particulates accumulate in petrochemical plant environments, the fins can be directly washed with high-pressure water jets or steam without bending, folding, or damage.
SA-179 Extruded Finned Tubes for Debutanizer Condenser Application Notes
Internal Tube-Side Corrosion Protection:
If the debutanizer overhead distillate contains trace amounts of H2S or moisture, the risk of wet H2S stress cracking for SA-179 carbon steel must be evaluated. In more severe corrosive environments, consider adding wet sour service testing (such as NACE MR0175 requirements) or selecting a high-alloy base tube.
Bare End Protection (Stripping / Capping):
To prevent the exposed SA-179 base tube at both ends near the tube sheet from rusting in the air, the bare steel section after aluminum fin stripping should be coated with anti-rust paint or protected via metallizing processes such as galvanizing or aluminum spraying.
Matching Accessories:
Tube support boxes, clamps, or spacer boxes can be provided upon request (materials available in aluminum, zinc, or stainless steel).
SA-179 Extruded Finned Tubes Applications
Beyond debutanizer condensers, SA-179 Extruded Finned Tubes are also widely used in the following fields:
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Air-Cooled Systems: Air-Cooled Heat Exchangers (ACHE) and Fin Fan Coolers / Air Fin Coolers.
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Petrochemical & Power Generation: Compressor coolers, radiator coolers, steam turbine exhaust condensers, fossil fuel and nuclear power plant equipment.
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Other Heat Transfer Equipment: Evaporators, heater components, and related thermal systems.
Why Partner with Datang?
High-performance equipment starts with uncompromising component quality. At Datang, we deliver ASTM/ASME-compliant extruded finned tubes tailored for the most demanding petrochemical and power environments.
Precision Manufacturing: Strict adherence to ASME SA-179 / NACE standards ensures seamless integration and reliable pressure tolerance.
Proven Durability: Superior bimetallic extrusion technology for zero thermal contact resistance and long service life.
Custom Engineering Support: From exact dimensions to specialized accessories, we manufacture to your precise specifications.
Do you need products compatible with extruded finned tubes?
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Secondary Fabrication: U-Bending for Extruded Finned TubesWe offer comprehensive secondary processing services for extruded finned tubes, including high-precision U-bending customized to your heat exchanger design and engineering specifications for seamless site assembly.
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Fin Tube Support Collar can prevent fin from damaging when put fin tubes together when delivered, also can be a support when installing fin tubes on air cooled heat exchangers. Clamp Material: aluminum, galvanized steel, stainless steel, Silicone Rubber.
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Boost your heat exchanger tube production with our advanced Extruded Finned Tube Machine. Built for high-speed output, extreme precision, and long-term durability, it produces top-tier bimetallic finned tubes tailored for boilers, air coolers, and petrochemical processing systems.
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The Fin Stripping Machine is specifically engineered for efficient finned tube end preparation, precisely removing outer aluminum or steel fins to expose the bare base tube. It guarantees smooth, burr-free tube ends—an essential requirement for subsequent welding, tube-sheet expansion, and seamless assembly in heat exchangers and boilers.
SA-179 Extruded Finned Tubes Advantages
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30 Advanced Production Lines: Large-scale automated production capability operates at high efficiency to effortlessly handle both high-volume orders and urgent requests.
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Ultra-Fast Delivery: Supported by extensive raw material inventory and flexible scheduling, standard orders can be delivered in as fast as 15–30 days, significantly shortening project and maintenance timelines.
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Precision Extrusion Quality: Cold rotary extrusion ensures a tight, seamless bond between the base tube and fins, achieving zero contact resistance, superior corrosion resistance, and exceptional heat transfer efficiency.
Customizable SA-179 Extruded Finned Tubes
We can customize the material, specification and length according to your requirements.Solve your problems anytime and anywhere. Customize fin tubes and equipment according to your needs. Provide free technical guidance. Welcome to customize with drawings, so that you can purchase without worries.
Strict Quality Inspection
Hydrostatic Pressure Test: The inner base tube is filled with water and tested at 1.5x design pressure (or per ASTM A1016), held for 10–30 seconds to guarantee zero leakage or permanent deformation along the tube and welds.
Pneumatic Underwater Air Test: Pressurized with dry compressed air (0.6–1.0 MPa) and fully submerged in water for over 1 minute—ensuring absolute zero bubble leakage for maximum operational integrity.
SA-179 Extruded Finned Tubes Package
To ensure seamless global delivery, your astm a179 extruded finned tubes are packaged in fumigation-free wooden cases (or heavy-duty steel frame crates) lined with custom comb separators and moisture-proof film, combined with protective pipe end caps. This guarantees zero fin damage, prevents bending along extra-long tubes, and ensures worry-free moisture protection during ocean freight and custom clearance.
Clear shipping marks and handling labels (moisture-proof/fragile) are stenciled on the exterior to fully meet all ocean transport requirements for rust prevention, anti-deformation, and customs quarantine.
SA-179 Extruded Finned Tubes for Debutanizer Condenser Air-Cooled Heat Exchangers Quality Checks
Each of our extruded fin tube is subjected to stringent quality checks.Inspection and Tests Performed:
1.Chemical Composition inspection.
2.Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Hardness, Impact Test).
3.Surface and Dimension Test.
4.No-destructive Test.
5.Hydrostatic Test.
Bimetallic Extruded Finned Tubes Case Studies
Case Study: 15.875×1.65x17697mm bimetal extruded fin tubes custom-made by Datang for Pakistan. Zero thermal resistance & full QA/QC loading video inside. Backed by 19 years of expertise and CNAS-certified testing, our premium tubes guarantee exceptional heat transfer efficiency and long-term reliability.
Boosting Efficiency with High-Performance Extruded Fin Tubes
When our client from Singapore approached us, they faced a critical challenge: their existing heat exchange equipment was inefficient, leading to escalating energy consumption and higher operational costs. They needed a solution that could maximize heat transfer within their current system constraints.
Tired of frequent downtime caused by corroded fin tubes? Read this case study to see how Datang’s robust extruded aluminum finned tubes saved a major Pakistan paper manufacturing plant from high maintenance costs. Discover how our 19 years of industry expertise and premium materials deliver lasting reliability and efficiency for your critical operations.
Discover how our custom air cooled heat exchangers with copper-aluminum extruded fin tubes optimized cooling for an Algerian refinery. Operating in intense desert heat, high-strength extruded fins completely shield inner copper tubes from sandstorms, boosting cooling capacity by 20% and maintaining maximum processing throughput during punishing peak-temperature months.
Extruded (Bimetallic) Finned Tubes Application
Cooling oil radiators element of the Extruded fin tubes.It can transfer heat quickly and improve the efficiency of thermal energy utilization.
The main advantages of Extruded fin tubes for refinery air coolers include high efficiency, corrosion resistance, low noise, energy saving and environmental protection.
Extruded fin tubes for drying radiators,The extrusion process ensures a tight connection between the fins and the tube body, thereby greatly increasing the heat dissipation area and significantly improving the heat exchange efficiency. This design allows heat to be transferred to the material faster and improves drying efficiency
Extruded finned tubes for waste heat recovery equipment,aluminum extruded fin tubes have the characteristics of high heat transfer performance and low thermal resistance, which can quickly absorb and dissipate heat, further improving the heat exchange efficiency.
Extruded finned tubes for heat exchangers in food factories,The steel-aluminum extruded finned tube adopts a compact structure design, which can achieve efficient heat exchange in a limited space. At the same time, its compact structure is also easy to install and maintain.
Extruded finned tubes for milk pasteurization heat exchangers,extruded spiral fin tubes have excellent thermal conductivity and corrosion resistance, and can operate stably for a long time in harsh working environments.
Extruded fin tubes for thermal oil heat exchangers,aluminum fins have good thermal conductivity and can effectively transfer heat from the inside of the tube to the outside of the tube, thereby improving heat exchange efficiency. At the same time, the design of the fins can increase the heat exchange area and further improve the heat exchange performance.
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Extruded Fin Tube FAQs
A: Extruded fin tube production line 30.
A: We can provide extruded fin tube samples for free.
A: After you confirm extruded fin tube sample details, the samples will be ready for delivery in 3-7days,and will be sent to you via express and arrive in 3-5days.
A: extruded fin tube can be customized, we can make the new thermoforming or extruding mode based on your drawings and we can sign a confidentiality agreement about your patented product, pls contact us for any further information.
A: Always a pre-production sample,before mass production;always final inspection before shipment.
Inspection & Guarantee Certificate is supplied with shipment, and the Third Party Inspection is available.