Studded Tubes ASTM A213 T9 Used In Power Plant

ASTM A213 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, T9, TP304, etc.

Chemical Composition (%)

Mechanical Properties

Studded Tubes

The nail head tube ( studded fin tube) is also called nail like ribbed tube. They feature studs (small protrusions) welded or attached to the outer surface of the base tube, which increase the surface area and improve thermal performance. These tubes are commonly used in applications where high heat transfer rates are required, particularly in harsh or high-temperature environments

Design Features

Improved Heat Transfer: The studs create turbulence in the fluid flow, which enhances heat transfer efficiency by breaking up the boundary layer and promoting better thermal exchange.

Robust Construction: Studded fin tubes are typically made from durable materials like carbon steel, stainless steel, or alloy steels, making them suitable for high-temperature and high-pressure environments.

Advantages of Studded Tubes

High Heat Transfer Efficiency: The studs significantly improve heat transfer rates compared to plain tubes.

Provides high heat transfer in a relatively compact space, making it ideal for applications with space constraints.

Corrosion resistance, wear resistance, low contact thermal resistance, high stability.

The robust construction makes them suitable for harsh operating conditions, including high temperatures and pressures, corrosive environments.

Application

Power Plants:Employed in economizers, air preheaters, and superheaters to enhance heat exchange in power generation processes.

Petrochemical and Refining Industries:Utilized in heat exchangers for processing high-temperature fluids and gases.

Marine and Offshore Applications:Used in heat exchangers for engines and other equipment exposed to harsh marine environments.

Industrial Heating Systems:Used in thermal oil heaters, steam generators, and other industrial heating systems.

Waste Heat Recovery Systems: Used in boilers, furnaces, and exhaust systems to recover heat from hot gases and improve energy efficiency.

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.