Product Specification

ALLOY STUDDED FIN TUBE A213 T9 WITH 11-13CR STUD WATER TUBE BOILERS

What is a Studded Tube?

A studded fin tube is a type of heat exchanger tube that consists of a base tube with small metal studs or pins attached to its outer surface. The studs are typically made of a different metal or alloy than the base tube, providing specific benefits such as enhanced heat transfer and mechanical strength.

The primary purpose of the studs on the fin tube is to increase the surface area available for heat transfer. This design allows for more efficient heat exchange between the fluid flowing inside the tube and the surrounding medium (such as air or another fluid). The increased surface area provided by the studs improves the overall heat transfer coefficient, resulting in improved heat transfer efficiency.

Studded fin tubes are commonly used in applications where high-temperature and high-pressure conditions are present, and efficient heat transfer is crucial. They are often employed in industries such as power generation, petrochemical, refining, and other heat-intensive processes.

The choice of stud material depends on the specific application requirements, including temperature, corrosion resistance, and mechanical strength. Common stud materials include carbon steel, stainless steel, Inconel, and other alloys suitable for the operating conditions.

Overall, studded fin tubes are designed to enhance heat transfer performance and are employed in various heat exchanger applications where increased efficiency and improved thermal performance are desired.

Studded tubes are a type of metal tubes. These tubes have studs welded onto the metal tube. These studs are arranged in a specific formation throughout the length of the tube. They are often used in boilers and refineries. As they increase the surface area for higher heat transfer they are used for reheating.

Chemical Composition of A213 T9

Mechanical Properties of A213 T9

Alloy steel stud fin tubes are widely used in various industries and applications where enhanced heat transfer efficiency and mechanical strength are required.

Here are some common applications for alloy steel stud fin tubes:

• Heat Exchangers: Stud fin tubes are widely used in heat exchangers, particularly in high-temperature and high-pressure applications. They enhance heat transfer efficiency by increasing the surface area available for heat exchange, making them suitable for industries such as power generation, petrochemical, and refining.

• Boilers: Stud fin tubes are commonly employed in boilers for efficient heat transfer. They facilitate the exchange of heat between the combustion gases and the boiler water/steam, maximizing energy efficiency. Stud fin tubes provide excellent mechanical strength and resistance to high temperatures, making them ideal for boiler applications.

• Air Cooled Heat Exchangers (ACHE): Stud fin tubes are utilized in ACHE units, which help dissipate heat from process fluids to the ambient air. ACHE units are used in industries like oil and gas, chemical, and power generation to cool process streams efficiently.

• Process Heaters: Stud fin tubes are used in process heaters, such as fired heaters and reformers, for effective heat transfer during the combustion process. These heaters find application in oil refining, petrochemicals, and chemical processing industries.

• Air Preheaters: Stud fin tubes are employed in air preheaters to heat the combustion air before entering the furnace or boiler. By recovering waste heat from the flue gas, these units improve overall energy efficiency in power plants, refineries, and chemical plants.

• Waste Heat Recovery Systems: Stud fin tubes play a vital role in waste heat recovery systems, capturing and utilizing waste heat from industrial processes. The recovered heat can be used for electricity generation, process heating, or other applications, enhancing energy efficiency.

• Heat Recovery Steam Generators (HRSG): HRSG units, commonly used in combined cycle power plants, utilize stud fin tubes to recover heat from exhaust gases and generate steam. The steam can then be used to drive a steam turbine, increasing the overall efficiency of power generation.