Alloy Steel Seamless Tube, ASTM A335 P22, HFW Fin Tube, with 11-13CR Fin Strip, For Furnace Tube

Product Overview

This High Frequency Welded (HFW) fin tube is constructed with a seamless alloy steel base tube (ASTM A335 P22) and 11–13% chromium fin strips, designed for high-temperature heat exchange in furnace convection coils, superheaters, and heaters. The Cr-based fins offer enhanced oxidation resistance, making the product ideal for harsh combustion gas environments.

Chemical Composition

Base Tube – ASTM A335 P22 (Alloy Steel)

Fin Material – 11–13Cr Steel (Typical for high-temp fins)

Mechanical Properties (ASTM A335 P22)

Advantages

• High Heat Resistance
  Base material (P22) and Cr fins maintain structural integrity under sustained high temperatures.

• Corrosion & Oxidation Resistance
  11–13Cr fin strips protect against flue gas corrosion, sulfur compounds, and high-temp oxidation.

• Durable Weld Bonding
  HFW process ensures strong mechanical connection between tube and fins, with low thermal resistance.

• Long Service Life
  Ideal for severe service in petrochemical and power generation industries.

Applications

Used primarily in the convection section of furnaces and heaters, especially in oil refineries, chemical plants, and power boilers.

Application Zones:

• Convection Coil Tubes
  Positioned after radiant tubes to absorb lower-temperature flue gas energy.

• Steam Superheaters

• Heat Recovery Systems (HRSG, WHRU)

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.