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Finned Tube

1. Type: extrusion finned tube, L-type winding finned tube, / Steel-aluminum composite finned tube
2. Application: Energy-saving air cooler, heat exchangerProcessing and production, The products serve petrochemical, power plant and other industries. It is used in flue gas treatment, heat exchanger, economizer, power plant boiler, waste heat boiler, waste heat recovery device, air heater and other manufacturers. etc.
3. OD: 21.3-1422mm, WT: 1-44.5mm, L: 5-22mtr
4. Standard & Grade: ASTM A53 Grade A/B/C, API 5L PS1/PSL2 Gr. A,B, X42, X46, X56, X60, X65, X70
5. Delivery:Within 10-30 days and depends on your order quantity
6. Payment:TT, LC , OA , D/P
7. Packing:Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
Availability:
Finned Tube
Finned Tube
Finned Tube
Finned Tube
Finned Tube
Finned Tube

Our finned tubes cover a full range of domestic production specifications, with the maximum base tube outer diameter up to ‌200mm‌ and the maximum finished length reaching ‌15m‌. We support customized processing of various materials including carbon steel, stainless steel, copper-nickel alloy and titanium, and are compatible with mainstream processes such as high-frequency welding, laser welding, extrusion rolling and winding. The products are widely used in industrial waste heat recovery, heating, drying and other heat exchange scenarios, and can meet the non-standard size customization requirements of different working conditions abroad.

High Frequency Welded Steel Finned Tube Production Flow Chart

Raw Material Incoming Inspection → Base Pipe Straightening & Descaling → Steel Strip Slitting & Leveling → Spiral Winding & Laminating → High Frequency Induction Welding → Weld Extrusion Shaping → Fixed Length Cutting → Full Pipe Straightening → 1.5X Working Pressure Hydrostatic Test → Dimensional & Appearance Full Inspection → Hot Dip Galvanizing / Anti-corrosion Coating → Labeling & Finished Product Warehousing

Steel-Aluminum Extruded Finned Tube Production Flow Chart

Raw Material Inspection → Steel & Aluminum Pipe Surface Degreasing → Bimetal Socket Pre-fixation → Core Rod Insertion → Three-roll Oblique Rolling Integrated Fin Forming → Core Rod Removal & Deburring → Stress Relief Annealing → Hydrostatic Test & Bonding Strength Test → Full Dimensional Inspection → Surface Passivation Treatment → Finished Product Packaging & Warehousing

产品制造流程图.png

‌Petrochemical & Refining Industry‌

Finned tubes are widely deployed in Air Cooled Heat Exchangers (ACHEs) for overhead condensers, product coolers, and compressor intercoolers. The steel base tube safely contains high-pressure hydrocarbon streams, while aluminum fins withstand long-term outdoor exposure, which is a standard solution for refinery heat recovery systems in North America, Europe and the Middle East.

‌Thermal & Power Generation‌

As core components of Air-Cooled Condensers (ACC), they condense steam turbine exhaust directly with ambient air, delivering significant water conservation benefits. This application is highly popular in water-scarce regions such as the southwestern United States, Central Asia and the Middle East, and fully complies with ASME BPVC VIII pressure vessel standards.

‌Industrial HVAC & Commercial Refrigeration‌

They serve as condenser and evaporator coils in large chillers, air handling units and commercial refrigeration systems, and are widely used in large shopping malls, data centers and cold chain logistics facilities across Europe and North America, meeting AHRI 410 performance certification requirements.

‌Waste Heat Recovery Systems‌

Installed in recuperators and waste heat recovery units, they capture thermal energy from furnace and engine exhaust streams. The specially treated aluminum fins effectively resist low-temperature corrosion caused by sulfuric acid condensation, which is a mainstream energy-saving configuration for European industrial furnaces and marine engine systems.

‌Oil & Gas Onshore/Offshore Facilities‌

Used in process coolers and glycol regeneration systems on offshore platforms and onshore oil gathering stations, the finned tubes made of corrosion-resistant materials such as copper-nickel alloy and duplex stainless steel comply with NACE MR0175 anti-sulfur corrosion standards, adapting to harsh marine and desert working conditions.

‌Automotive & New Energy Industry‌

Applied in intercoolers for heavy-duty diesel engines, new energy vehicle power battery cooling systems and hydrogen fuel cell heat exchangers, they meet the high-efficiency and compact heat exchange requirements of the global automotive and new energy sectors.

ASTM A498/A498M-25 / ASTM B404/B404M / ASTM B111/B111M / ASME BPVC VIII‌ / AHRI 410 / ISO 1217‌ / EU PED 2014/68/EU‌ / For special applications such as nuclear power and chemical industries, additional requirements must be met, including ASME III NB roll seismic design requirements and NACE MR0175 acid environment sulfide stress corrosion protection certification.

OD: 21.3-1422mm, WT: 1-44.5mm, L: 5-22mtr

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  sales@threewaysteel.com
  0086-0731-8867-8598                                             

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