High Frequency Welding Fin Tube ASME SA335 P9 For Heat Transfer

High Frequency Welding Fin Tube ASME SA335 P9 For Heat Transfer

ASME SA335 P9 high-frequency welding fin tubes are specialized heat transfer components widely used in industries like power generation, petrochemical, oil and gas, and other heavy industries. These finned tubes are designed to enhance the efficiency of heat exchangers by improving heat transfer rates, reducing energy consumption, and optimizing thermal performance.

Material Specification:
ASME SA335 P9 is a seamless ferritic alloy steel pipe designed for high-temperature applications. Known for its excellent strength, durability, and corrosion resistance, this material is ideal for use in environments requiring high thermal and mechanical stability.

Key Features:

• High-temperature resistance

• Excellent creep strength

• Corrosion and oxidation resistance

Process Overview:
High-frequency welding (HFW) is an advanced technique used to bond fins to the surface of the base tube. In this process, high-frequency electric currents are applied to generate heat at the interface, creating a strong metallurgical bond without the need for additional filler materials.

Advantages of High-Frequency Welding:

• Strong, durable bond between fins and base tube

• Minimal thermal distortion of the base material

• High production efficiency and consistency

• Suitable for both ferrous and non-ferrous materials

Fields of Application

• Power Generation:

- Boiler economizers

- Superheaters and reheaters

- Heat recovery steam generators (HRSG)

• Petrochemical and Refining:

- Fired heaters

- Heat exchangers in refineries

- Catalytic cracking units

• Oil and Gas:

- Process gas coolers

- Gas-to-gas heat exchangers

• Other Applications:

- Waste heat recovery systems

- Chemical processing equipment

Benefits of ASME SA335 P9 High-Frequency Welding Fin Tubes

• Enhanced Heat Transfer:
The addition of fins increases the surface area for heat exchange, significantly improving efficiency.

• Durability:
The strong bond between the fins and the tube ensures long-term mechanical stability, even under high thermal and mechanical stresses.

• Corrosion and Oxidation Resistance:
The chromium and molybdenum content of SA335 P9 provides excellent resistance to oxidation and corrosion in high-temperature environments.

• Cost-Effective:
High-frequency welding is an efficient manufacturing process that ensures high-quality products while reducing production costs.

• Customizable:
These finned tubes can be tailored to meet specific operational needs, ensuring optimal performance.

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.