Premium Heat Exchanger Tubes & Tube Bundles | Custom Manufactured & Replacement
At Datang Finned Tube, we specialize in engineering high-performance tubes for heat exchangers that serve as the backbone of modern industrial thermal systems. Whether you are operating in oil & gas, power generation, HVAC, or chemical processing, our tubes are designed to maximize heat transfer efficiency, withstand extreme environments, and extend the lifespan of your equipment.
With decades of manufacturing expertise, Datang Finned Tube delivers both standard and custom-engineered tubing solutions that meet stringent international quality standards (ASTM, ASME, EN, etc.).
Master Specifications of Heat Exchanger Tubes
We understand that material integrity defines heat exchanger performance. Datang Finned Tube sources premium raw materials to manufacture tubes in various grades:
| Material Category | Available Grades / Alloys | Standard | Outer Diameter | Wall Thickness | Max Length | Best Used For |
| Carbon Steel | SA179, SA106, SA214, SA192, SA210 | ASTM / ASME | 6.0 mm – 273 mm | 0.5 mm – 12.0 mm | Up to 30 Meters | High-pressure boilers, general heat transfer |
| Stainless Steel | 304/304L, 316/316L, 321, 904L | ASTM A213 / A249 / A269 | 9.52 mm – 50.8 mm | 0.7 mm – 4.0 mm | Up to 30 Meters | Corrosive environments, chemical processing |
| Duplex Steel | S31803, S32205, S32750 | ASTM A789 | Per Request | Per Request | Per Request | Desalination, marine, high-chloride environments |
| Copper & Alloys | Copper, Brass, Cupronickel (C70600 – CuNi 90/10) | ASTM B111 | Custom Available | Custom Available | Custom Available | Marine condensers, HVAC, cooling towers |
| Special Alloys | Titanium, Inconel, Hastelloy | ASTM B338 / Per Request | Per Request | Per Request | Per Request | Extreme temperatures and highly aggressive media |
Heat Exchanger Tubes are Designed to Facilitate Heat Transfer
The primary function of heat exchanger tubes are to facilitate rapid and efficient heat exchange between two fluids. By incorporating advanced finned designs, Datang Finned Tube significantly increases the external surface area of the tube. This enhanced surface area allows for superior heat dissipation and absorption, making our tubes ideal for applications where one fluid has a significantly lower heat transfer coefficient, such as in gas-to-liquid heat exchange.
Tubes on a Heat Exchanger Durability and Material Excellence
We understand that heat exchangers often operate under extreme temperatures, high pressures, and corrosive conditions. That’s why Datang Finned Tube manufactures our tubes using premium-grade materials, including carbon steel(SA179,SA192), stainless steel(304,316), copper(C70600), and specialized alloys. Our robust construction ensures resistance to thermal stress, corrosion, and fouling, guaranteeing a longer service life and reduced maintenance costs for your facility.
Why Choose Datang Finned Tube?
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Optimized Thermal Performance: Our advanced finning and manufacturing techniques ensure minimal thermal resistance and maximum heat dissipation.
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Rigorous Quality Control: Every single tube undergoes strict testing, including Eddy Current testing, Hydrostatic testing, and Ultrasonic inspection to guarantee zero-defect delivery.
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Tailored Engineering: From custom fin pitches and heights to specific U-bend radiuses, Datang Finned Tube customizes products to fit your exact blueprint.
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Cost-Effective: Extended equipment lifespan and improved energy efficiency translate to significant ROI.
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Global Supply Capability: With robust production capacity and reliable logistics, we support large-scale industrial projects worldwide with on-time delivery.
Ready to Optimize Your Thermal System?
Don’t compromise on efficiency. Partner with Datang Finned Tube for reliable, durable, and high-performance heat exchanger tubing solutions.
[ Contact Our Engineers Today ] or [ Request a Quote ] to discuss your project requirements.
Datang Core Product Range-Finned Tubes
To meet diverse industrial demands, Datang Finned Tube offers a comprehensive selection of heat exchanger tubes
Double-metal extruded composite tubes (common combinations: Copper/Aluminum or Steel/Aluminum) provide 100% tight metallurgical contact, delivering maximum corrosion resistance and stable heat transfer performance.
Wrapped fin design with uniform winding fit and compact structure is ideal for moderate temperature applications. Widely used in air coolers, effectively enhancing the overall heat transfer efficiency of these heat exchange systems.
Embeds fin strips into base tube grooves with locked tube wall, forming tight bonding for low contact resistance. It can withstand 450℃ high temperature, widely used for air coolers, heat exchangers.
With solid structural strength and excellent load-bearing capacity, it is rugged and durable, perfectly suited for heavy-duty boiler economizers and industrial flue gas waste heat recovery systems.
It suitable for high-power industrial heat exchange applications, such as high-temperature flue gas waste heat recovery, air preheaters, and petrochemical process heat exchangers.
It breaks continuous fin edges with staggered notches, enhances fluid turbulence to suppress flow separation, reduces thermal resistance and boosts overall heat transfer efficiency. It fits air coolers, compact heat exchangers and HVAC ventilation units.
H-Type Finned Tubes weld symmetrical steel sheets to base tubes, forms uniform flow channels to reduce wear and inhibit ash accumulation. It has high structural rigidity, ideal for large boiler economizers and waste heat recovery systems.
Cold-Wound Finned Tubes wraps metal fin strips tightly on base tubes via mechanical tension at room temperature, keeps intact material properties with low production cost. It works well for moderate-temperature heating and light industrial heat exchange scenarios.
Bare Heat Exchanger Tubes
Precision-drawn straight and U-bent tubes for shell-and-tube heat exchangers, condensers, and evaporators. Available in seamless and welded options.
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Straight TubesStraight Tubes for shell-and-tube heat exchangers, condensers, and evaporators feature smooth surfaces with uniform wall thickness, easy to manufacture and clean, stable pressure bearing, adapts to most conventional industrial heat exchange working conditions.
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U-bent TubesU-Bent Tubes bend base tubes into fixed U-shape, fits floating head shell-and-tube heat exchangers, compensates thermal expansion easily, adapts to high-temperature and high-pressure industrial working conditions.
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Integral Low-Finned Tubes rolls fins integrally on base tubes, eliminates contact thermal resistance, enlarges heat transfer area, ideal for condensers and evaporators in refrigeration and industrial heat exchange systems.
Heat Exchanger Tubes Visual Measurement
At Datang Finned Tube, every heat exchanger tube undergoes rigorous dimensional and visual audits to guarantee zero-defect installation. Our QC specialists precisely measure core data including Outer Diameter (OD), Wall Thickness (WT), Ovality, Straightness, and End Squareness. For enhanced configurations, we strictly verify U-bend thinning, fin height, and pitch alignment.
Using high-definition borescopes and standardized lighting, we thoroughly inspect both internal and external surfaces to ensure complete freedom from cracks, pits, scratches, or rust. Every shipment is delivered with a comprehensive Mill Test Certificate (MTC) verifying all measured metrics.
Hydrostatic Testing & Pressure Integrity
At Datang Finned Tube, every heat exchanger tube undergoes 100% hydrostatic testing to guarantee maximum safety and leak-free performance under high-pressure industrial operations. Working strictly to ASME, ASTM, and EN standards, we subject each tube to precise hydraulic pressures based on material grade and wall thickness, maintaining the peak hold time to detect even microscopic weeping or pressure drops.
This rigorous testing ensures absolute structural integrity and joint reliability before shipment. A full hydrostatic test report is documented and included in your final Mill Test Certificate (MTC) package.
Heat Exchanger Tubes Magnetic Particle Testing (MPI)
At Datang Finned Tube, we utilize Magnetic Particle Inspection (MPI) to detect subtle, sub-surface, and surface discontinuities in ferromagnetic heat exchanger tubes. By applying a localized magnetic field and high-contrast magnetic particles, our certified NDT technicians can instantly reveal microscopic cracks, seams, or inclusions that visual checks might miss.
This non-destructive test is highly critical for heavy-duty carbon steel and alloy tubes operating under severe cyclic stress and thermal fatigue. Complete MPI reliability compliance logs are fully documented and integrated into your comprehensive Mill Test Certificate (MTC) package.
Anti-Corrosion Coating Inspection
At Datang Finned Tube, our advanced anti-corrosion coating inspection ensures that protective layers on heat exchanger tubes provide flawless defense against aggressive industrial media. We perform precise Dry Film Thickness (DFT) measurements to verify uniform coverage according to international standards. Furthermore, high-voltage holiday testing (pinhole detection) and cross-hatch adhesion tests are executed to eliminate microscopic voids, bubbles, or delamination risks. This rigorous evaluation guarantees maximum durability against chemical attacks, scaling, and oxidation. All coating compliance records are fully documented and integrated into your comprehensive Mill Test Certificate (MTC) package.
Heat Exchanger Tubes Package
Payment Terms:T/T, LC
Delivery: 15-30 days after payment
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Iron frame packing boxes and the desiccants are put into each package for continental transportation as well. or as required
Datang's Advanced Manufacturing Equipment & Capacity
At Datang Finned Tube, our factory is equipped with industry-leading, automated production machinery to ensure high-precision manufacturing of premium heat exchanger tubes. Our advanced workshop features high-speed CNC cold-drawing lines, high-frequency resistance welding (HFW) setups,L/LL/KL finned tubes machine, heavy-duty bimetallic extrusion finning machines, and state-of-the-art automatic laser-welding equipment. Backed by synchronized automatic U-bending machines and specialized ultra-long tube handling systems, we achieve exceptional geometric consistency and flawless thermal bonding. This robust machinery infrastructure allows us to easily execute tight tolerances, fulfill large-scale global project footprints, and guarantee maximum heat transfer efficiency for every tube we produce.
Case Studies
Discover how Datang’s steel-aluminum extruded finned tubes helped a leading Pakistan paper mill solve low steam drying efficiency,boost heat transfer efficiency by 25% and extend equipment lifespan under harsh, humid conditions. Read the success story!
Discover how Datang supplied premium High-Frequency Welded (HFW) alloy finned tubes for a boiler project in Vietnam, boosting heat efficiency by 25%.
Discover how Datang Finned Tube supplied high-precision Embedded G Finned Tubes (58mm OD, 10000mm length) for a heavy-duty air cooler project in the UAE. Learn about our strict QC and desert-proof heat transfer solutions.
Explore Datang case study on laser welded finned tubes exported to Ukraine. Featuring ASME SA179 seamless tubes (6000mm) with 100% bonding rate for premium heat exchangers. View on-site inspection, packing, and loading pictures now!
Discover how Datang Finned Tube solved corrosion and efficiency issues for a major Pakistan sugar mill dryer using high-quality SA192 L Foot Finned Tubes. Read the full case study and get a quick quote today!
Discover how Datang Finned Tube manufactured custom copper inner finned tubes (28.5mm to 23.5mm swaged ends) for an Iranian client's Ingersoll Rand air compressor cooling system, ensuring 100% thermal efficiency and reliable operation.
A: For highly corrosive environments (like seawater or acidic chemicals), we highly recommend Titanium or Duplex Stainless Steel tubes. You can contact our team with your working medium data for a free material selection report.
Our heat exchanger tubes are trusted globally across critical sectors:
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Refineries & Petrochemical Plants (Condensers, Reboilers)
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Power Plants (Boilers, Economizers, Air Preheaters)
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HVAC & Refrigeration (Chillers, Evaporators)
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Marine & Shipbuilding (Cargo coolers, Marine boilers)
Noted:Our tubes deliver consistent reliability. Whether you require standard configurations or custom-engineered solutions for unique operational parameters, our tubes are built to meet your exact specifications.
A: Finned tubes on a heat exchanger drastically increase the external surface area, boosting thermal efficiency by up to 2 to 3 times compared to bare tubes. This allows you to design a more compact heat exchanger, saving precious structural space and reducing raw material costs while achieving the same cooling or heating capacity. Concact Us
A: At Datang Finned Tube, quality is our top priority. All tubes on a heat exchanger undergo a rigorous quality control workflow, including Eddy Current Testing, Hydrostatic Testing, and Ultrasonic Inspections before and after the finning process. For our extruded finned tubes, we guarantee 100% metal-to-metal bonding to ensure zero thermal resistance degradation over long-term operations. Concact Us
A: Yes, absolutely. We specialize in tailored engineering. Whether you need ultra-long straight tubes (up to 17.6 meters) or precision U-bent tubes on a heat exchanger, we manufacture them strictly according to your ASME/ASTM drawings. We can custom-tailor the fin pitch, fin height, and tube wall thickness to perfectly fit your existing shell-and-tube or air-cooled systems. Concact Us
A: To ensure that tubes on a heat exchanger arrive at your site in perfect, rust-free condition, we use heavy-duty export packaging. Tubes are individually separated to prevent fin-to-fin friction, treated with anti-rust oil, and securely packed into steel-reinforced wooden crating. This heavy-duty packaging prevents any bending or deformation during ocean freight and on-site crane lifting. Concact Us
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FAQ about Heat Exchanger Tubes
A: At Datang Finned Tube, we offer flexible MOQ solutions to support different project phases. For standard stock sizes and materials (like carbon steel SA179), we can accept small trial orders or replacement quantities. For fully customized sizes, special alloy materials, or complex finned tubes, the MOQ typically ranges from 1 to 3 tons depending on raw material mill runs. Please contact our sales team with your detailed specification list for a flexible and customized quote.
A: Yes, absolutely. ASME SA179 is one of our most widely manufactured specifications for cold-drawn seamless carbon steel heat exchanger and condenser tubes. Datang Finned Tube operates under a strict ISO 9001 quality management system. Every batch of SA179 tubes undergoes comprehensive flattening, flaring, hardness, and hydrostatic or eddy current testing. We provide a 100% traceable Mill Test Certificate (MTC) conforming to EN 10204 3.1 with every shipment.
A: We specialize in handling ultra-long heat exchanger tubes (up to 17.6 meters) for global refinery and power projects. To prevent any bending, flexing, or fin-to-fin friction, Datang Finned Tube utilizes customized, heavy-duty steel-reinforced wooden crating. Tubes are individually bundled with protective separation rings and treated with anti-rust oil. The crates are designed with specialized structural support columns to withstand heavy crane lifting and dynamic motion during international ocean freight.
A: Yes, we fully welcome and encourage Third-Party Inspection (TPI). We regularly cooperate with international leading inspection agencies such as SGS, BV, Intertek, and Lloyd’s Register. Inspectors can visit our facility to audit raw material certifications, witness hydrostatic testing, review NDT (MPI/UT) logs, and perform dimensional checks on your tubes on a heat exchanger before container loading to ensure total peace of mind.
A: For standard bare tubes or materials available in our ready stock, we can arrange shipping within 15 to 35 days. For customized production runs—such as laser-welded, high-frequency welded, or extruded finned tubes—the typical lead time is 30 to 45 days, depending on the order volume and material grade availability. We always provide a guaranteed delivery schedule during the formal quoting process to keep your project on track.