| Carbon Steel: | A179， A192， SA210 Gr A1/C，A106 Gr B | Stainless Steel: | TP304/304L，TP316/TP316L/316Ti， TP321， TP347 |
|---|---|---|---|
| Duplex Steel: | A789 S31803/S2205 S32750， S32760 | Copper-Nickel: | UNS12200/UNS14200/UNS70600， CuNi70/30，CuNi 90/10 |
| Fin Type: | High Frequency Welding ， Embedded G /L/ KL/KLL， Extruded Type | ||
| High Light: | Embedded G Finned Tube， SA210 Gr.A1 Finned Tube， Al1060 Finned Tube | ||
ASME SA210 Gr.A1 Seamless Tube with Aluminum Al1060 Embedded G type Fin tube
Embedded fin tubes， also known as finned tubes or finned pipes， are specialized heat transfer components used in various industries and applications. They consist of a base tube with external fins that are tightly embedded or integrally welded onto the tube surface. The fins increase the surface area of the tube， enhancing heat transfer efficiency.
The primary purpose of embedded fin tubes is to improve heat exchange between a fluid flowing through the tube and the surrounding environment or another fluid. The design and construction of the fins significantly enhance heat transfer rates by increasing the available surface area for heat transfer.
ASTM A192 / A192M : Seamless Carbon Steel Boiler Tubes for High-Pressure Service
ASTM A210 / A210M : Seamless Medium-Carbon Steel Boiler and Superheater Tubes
Steel Grade: Grade A1; Grade C
Delivery Condition: Annealed， Normalized， Normalized and Tempered
Quick Detail:
Tube OD:16mm min. 219.1mm(8'') max.
Tube Length: 25000mm max.
Fin Height: 50 mm max.
Fin Thickness: generally 0.2mm ~3.0mm
Fin Pitch: 2.3 mm (11FPI) min. or custom for client
Manufacturing process
The aluminum fin strip is tension wound and placed into a groove cut into the tube with appr. 0.4mm fluted depth.
Surface Protection of Plain Ends
Both ends of Grooved G type Fin Tubes shall be Zinc or Aluminum metalized applied by an electro spray arc system coating.
Acceptance criteria
API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions (TDC).
Accessories
Tube support box， clamp or spacer box (Materials: Aluminum， Zinc and Stainless Steel).
Delivery condition:
Tube ends are square cut， free burrs， internally dried and air blown clean， externally coated with varnish at both ends of G-Fin Embedded Finned Tube.
The desiccants are put into each package for continental transporation as well.
Applications:
The common application fields are:
1.Heat Exchangers: A179 fin tubes are widely used in heat exchangers， particularly in applications where low-carbon steel is compatible with the working fluids involved. They are utilized in both air-to-fluid and fluid-to-fluid heat exchangers， facilitating efficient heat transfer between different mediums.
2.HVAC Systems: A179 fin tubes are employed in heating， ventilation， and air conditioning (HVAC) systems for effective heat transfer. They are used in air handling units， air coolers， and other components where heat exchange between air and a fluid (such as chilled water or refrigerant) is required.
3.Industrial Boilers: A179 fin tubes find application in industrial boilers， including steam boilers and hot water boilers. They enhance heat transfer from flue gases to water， improving boiler efficiency and optimizing energy utilization.
4.Economizers: A179 fin tubes are commonly used in economizers， which are heat exchangers that recover waste heat from flue gases in power plants， industrial furnaces， and other combustion systems. The finned tubes maximize heat transfer and help preheat the feedwater， improving overall system efficiency.
5.Condensers: A179 fin tubes are utilized in condenser units where heat is transferred from a hot vapor to a cooling medium， causing the vapor to condense. They are commonly employed in refrigeration systems， air conditioning units， and power plants.
6.Oil Coolers: A179 fin tubes are suitable for oil cooling applications， such as in hydraulic systems or lubrication systems. The fins increase the surface area， allowing efficient heat dissipation and maintaining optimal oil temperature.
7.Heat Recovery Systems: A179 fin tubes play a crucial role in heat recovery applications， capturing waste heat from various industrial processes and transferring it to a medium for further use. They are used in systems that aim to improve energy efficiency and reduce operational costs.
Specifications:
Grooved G type Finned Tubes are combined with two different materials.
| Items | General Materials | Popular ASTM Materials |
| Core Tube Material | Carbon steel， low-alloy steel， stainless steel， brass， copper， cooper-nickel alloys， aluminum bronze， nickel alloys. | 1. Carbon Steel: A179， A192，SA210 Gr A1/C，A106 Gr B 2. Stainless Steel: TP304/304L，TP316/TP316L/316Ti， A789 S31803/S2205 etc… 3. Copper:UNS12200/UNS14200/UNS70600， CuNi70/30，CuNi 90/10 |
| Fins Material | 1. Aluminum Alloy 2. Copper. | 1. Aluminum(Alu.1100，Alu.1060) 2. Copper. |
All dimensions are in Inches and specification upon your requests. | |||
Tube OD | Fin Height | Fin Thickness | Fins per Pitch(Density) |
5/8 | 3/8，1/2 | .015/.016/ .020 | 6， 7， 8， 9， 10， 11 |
3/4 | 5/8，1/2 | .015/.016/ .020 | 6， 7， 8， 9， 10， 11 |
1 | 5/8，1/2 | .015/.016/ .020 | 6， 7， 8， 9， 10， 11 |
1 1/4 | 5/8，1/2 | .015/.016/ .020 | 6， 7， 8， 9， 10， 11 |
1 1/2 | 5/8，1/2 | .015/.016/ .020 | 6， 7， 8， 9， 10， 11 |
Please email us for more information. | |||
Competitive Advantage:
- We have more than 10，000 square meters workshop， including 5 finning machines， daily capacity up to 3，500 meters.
- The Grooved G type Finning Machines are designed and assembled by ourselves and we can offer you finning machine and all accessories etc…
- The contact of manufacturing Grooved fin tubes is designed for a high wall temperature of up to 350°C.
