Carbon Steel ASTM A179 Seamless Tube G Type Embedded Finned Tube for Heat Exchanger
Embedded fin tubes are a cutting-edge solution in heat exchanger technology, designed to improve thermal efficiency in various industrial and commercial applications. By integrating fins directly into the tube structure, these systems offer a compact and effective way to transfer heat between fluids, making them essential in numerous settings. Compare with wound type L/LL/KL fin tubes, the fins of embedded fin tubes are more firm and tight.
How They Work?
The core principle behind embedded fin tubes is to maximize heat transfer by increasing the surface area in contact with the fluid. As the hot fluid flows through the tube, the fins enhance the heat exchange process by facilitating better fluid mixing and turbulence. This results in improved thermal performance compared to traditional smooth tubes, which have limited surface area.
Materials
G Type Embedded Finned Tube is combined with two different materials, including core tube grade and fin grade.
Core tube material: carbon steel, low alloy steel, stainless steel, brass, copper, copper-nickel alloy, aluminum bronze, nickel alloy.
1. Carbon steel: A179, A192, SA210 Gr A1/C, A106 Gr B
2. Stainless steel: TP304/304L, TP316/TP316L/316Ti, A789 S31803/S2205
3. Copper: UNS12200/UNS14200/UNS70600, CuNi70/30, CuNi 90/10
Fin material: Aluminum (Alu.1100, Alu.1060), Copper, Steel
ASTM A179 TUBES SPECIFICATIONS
| Standards | ASTM, ASME and API |
| Tueb Size | 20mm to 219mm OD |
| Tube Thickness | 2mm to 16mm |
| Schedules | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Tolerance | Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm |
| Craft | Cold rolled and Cold drawn |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Min 3 Meters, Max18 Meters, or according to customer’s requirement |
| End | Plain End, Beveled End, Treaded |
Chemical Components (%) of ASTM A179 Embedded Finned Tubes
| C | Si | Mn | P | S | Mo | Cr | V |
| 0.06-0.18 | / | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / |
Mechanical properties of ASTM A179 Embedded Finned Tubes
| Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | Hardness(HRB) |
| 325 Min | 180 Min | 35 Min | 72 max |
Features
- Dimensional accuracy
- High strength
- Durable
- Corrosion resistance
- Fine finish
Inspection and Tests Performed
Chemical Composition inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test
Some key benefits of G type embedded fin tubes include:
- Enhanced heat transfer efficiency: The fins increase the surface area available for heat transfer, leading to improved efficiency.
- Increased thermal performance: The embedded fins help in maintaining a more uniform temperature distribution, optimizing heat transfer processes.
- Improved strength and durability: The integrated fins provide mechanical strength and robustness to the overall tube construction.
- Resistance to corrosion: The fin-tube bonding minimizes the risk of corrosion and ensures a longer operational life.
Applications
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
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