ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers

1. What is ASTM A179 L-Type Wound Finned Tube?

ASTM A179 L-Type Wound Finned Tube is a cost-effective heat transfer solution designed for moderate-temperature applications. It features a seamless low-carbon steel base tube (ASTM A179) with L-shaped aluminum fins mechanically wound under tension. This robust construction creates maximum fin-to-tube contact area, delivering 25% higher heat transfer efficiency than bare tubes in boilers, economizers, and heat recovery units. Ideal for non-corrosive environments up to 150°C (302°F), it balances performance and budget with minimal maintenance.

2. Chemical & Mechanical Properties

Chemical Composition (ASTM A179 Base Tube)

Mechanical Properties (System)

3. Key Applications & Value Highlights

· Power Plant Boilers: Economizer sections for flue gas heat recovery.

· HVAC Systems: Air heating coils in commercial ventilation units.

· Industrial Dryers: Conveyor belt dryers for food/paper processing.

· Thermal Oil Heaters: Secondary heat exchangers in hydraulic systems.

· Biomass Energy: Low-pressure steam generators.

4. Why Choose Our Wound Fin Tubes?
· 30% Cost Saving: Most economical finned tube solution vs. extrusion/welding.
· Easy Installation: Lightweight design reduces structural support needs.
· Scale Resistance: Smooth aluminum fins minimize ash/fouling buildup.
· Rapid Delivery: Standard sizes (OD 19–50mm, Length ≤ 12m) in stock.

Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always.   The factories already got certificates like : ABS, LR, DNV-GL, BV, KR, CCS, ASME, ISO 9001, ISO14001, ISO18001, ect.

Our factories main products as below : 
Factory 1th: Stainless steel seamless tube, Duplex steel seamless tube, Super duplex steel seamless tube, Nickel alloy steel seamless tube;

Factory 2th: Carbon steel seamless tube, Alloy steel seamless tube; Enhanced Heat Tranfer Tube, low fin tube ,U bending workshop;
Factory 3th: High frequency welding fin tube(HFW fin tube, Solid Fin tube, Studded Tube, Serrated Fin tube, Longitudinal welding fin tube), Wound fin tube(L type fin tube, LL type fin tube,  KL type fin tube), Embedded G type fin tube , Extruded fin tube,  low fin tube, U bend & 180deg. Return;

Yuhong Holding Group also has gained rich experience for project package( products contain:Pipes, Fittings, Flanges, heat exchanger, furnace, fired heater, air cooler, boiler) , YUHONG brand has marked its global presence in more than 85 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand, Singapore, Malasyia, Indonesia, Thailand, Vietnam, Ukraine, Turkey,Sauid Arabia, Qatar, U.A.E,Israel,India, UK, France, Italy, Gernmany, Poland, Spain,... We have successfully implemented the orders of Cross Country Pipelines for our valuable customers. In addition, we have also developed a huge network of contacts and strategic alliances with most important manufacturers as stockists around the world.