| 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 | Fin Type: | High Frequency Welding ， Embedded G /L/ KL/KLL， Extruded Type |
| High Light: | ASTM A179 Seamless Tube， Al1060 Seamless Tube | ||
A179 Seamless Tube with Aluminum Al1060 Embedded G type Fin tube
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 and Advantage:
The common application fields are:
1. Heat Exchangers: A179 Embedded Fin Tubes are widely used in heat exchangers to increase the heat transfer efficiency of the equipment. The embedded fins on the tube's surface allow for a higher surface area， which helps transfer heat more efficiently.
2. Air Cooled Heat Exchanger: The A179 Embedded Fin Tube is an ideal choice for air-cooled heat exchangers. These fin tubes have a large surface area that promotes efficient heat transfer， which can be critical in air-cooled heat exchangers where there is no secondary medium to carry away the heat.
3. Corrosion Resistance: A179 tube material is known for its good corrosion resistance. The embedded fins increase its resistance to corrosion and reduce erosion.
4. Economical: A179 tube material is economical， making it an ideal choice for various heat transfer applications. The fins embedded on the surface of the tube allow for a higher surface area， which improves the overall thermal performance， making it an economical and efficient option.
5. Compact Design: The embedded fins on the surface of the A179 Embed fin tubes allow for a compact design， making it an ideal choice where space is limited， and a high degree of thermal efficiency is required.
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:
High Mechanical Bonding:
G-type fins are embedded into the base tube， providing a strong mechanical bond that ensures good thermal contact and efficient heat transfer.
Durability:
The mechanical bond of the G-type fin offers enhanced resistance to thermal cycling and mechanical stress， increasing the longevity and reliability of the tube.
Improved Heat Transfer:
Similar to L-type fins， the G-type fins also increase the surface area， enhancing the overall heat transfer efficiency of the tube.
Resistance to Finned Section Damage:
The embedded design of G-type fins makes them less susceptible to damage from physical impacts or vibrations， making them suitable for rugged environments.
Corrosion Protection:
The G-type fins help protect the A179 base tube from corrosive environments， reducing the risk of corrosion and extending the tube's service life.
Thermal Expansion Accommodation:
The design of G-type fins allows for some degree of thermal expansion and contraction， which can be beneficial in applications with varying temperatures.
Maintenance Efficiency:
The robust construction of G-type fin tubes often results in lower maintenance requirements， reducing downtime and operational costs.
Versatility:
G-type fin tubes can be used in a variety of applications， such as in air-cooled heat exchangers， economizers， and boilers， due to their high efficiency and durability.
