Extruded Fin Tube , ASTM B163 Incoloy 825 Base Tube , Fin Material Aluminum
Extruded Fin Tube , ASTM B163 Incoloy 825 Base Tube , Fin Material Aluminum
Extruded fin tubes with a base tube made of ASTM B163 Incoloy are specialized components designed for high-performance heat transfer applications. Incoloy, a family of nickel-chromium-based superalloys, provides excellent resistance to oxidation, corrosion, and high-temperature environments, making it an ideal choice for demanding applications. And their excellent thermal performance, combined with the robust properties of Incoloy, makes them suitable for a wide range of high-temperature and corrosive applications across various industries.
Advantages :
1. High Thermal Efficiency:
- Improved Heat Transfer: The extruded fins increase the surface area, enhancing heat transfer efficiency.
- Effective Bonding: The extrusion process ensures effective bonding between the aluminum fins and the Incoloy base tube, maximizing thermal performance.
2. Durability and Longevity:
- Corrosion and Oxidation Resistance: Incoloy provides excellent resistance to corrosion and oxidation, ensuring long-term durability in harsh environments.
- Mechanical Strength: The robust construction ensures the mechanical integrity of the finned tubes under thermal and mechanical stresses.
3. Versatility:
- Wide Range of Applications: Suitable for various industries, including petrochemical, power generation, chemical processing, oil and gas, marine, and industrial processes.
- High-Temperature Capability: Incoloy’s high-temperature performance makes these finned tubes ideal for applications involving extreme temperatures.
Features of Extruded Fin Tubes with ASTM B163 Incoloy Base Tube:
Construction:
- Extrusion Process: The fins are extruded from an aluminum sleeve onto the Incoloy base tube, ensuring a strong mechanical bond and maximizing heat transfer efficiency.
- Enhanced Surface Area: The fins increase the surface area of the tube, facilitating improved heat transfer between the process fluid inside the tube and the surrounding air or other cooling mediums.
| YUHONG GROUP Fin Tube Specification | |||||
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin Pitch | Fin Height | Fin Thick | ||
| Extruded | Single Metal Combined Metal | 8-51 | 1.6-10 | <17 | 0.2-0.4 |
| Low Fin tube t-type fin tube | 10-38 | 0.6-2 | <1.6 | ~0.3 | |
| Bamboo tube corrugated tube | 16-51 | 8~30 | <2.5 | / | |
Equivalent Material:
|
STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
BS |
GOST |
AFNOR |
EN |
OR |
|
Incoloy 825 |
2.4858 |
N08825 |
NCF 825 |
NA 16 |
ЭП703 |
NFE30C20DUM |
NiCr21Mo |
XH38BT |
Chemical Composition:
| Element | Ni | Cr | Mo | Cu | Ti | Fe | C | Mn | S | Si | Al |
| % | 38.0-46.0 | 19.5-23.5 | 2.5-3.5 | 1.5-3.0 | 0.6-1.2 | 22.0 min (~33%) | 0.05 max | 1.0 max | 0.03 max | 0.5 max | 0.2 max |
Mechanical properties:
- Incoloy (ASTM B163): Incoloy alloys, such as Incoloy 800, Incoloy 800H, and Incoloy 825, are known for their high strength, excellent resistance to oxidation and carburization at elevated temperatures, and good corrosion resistance in a variety of environments.
- Aluminum Fins: Typically, the fins are made from aluminum due to its excellent thermal conductivity and lightweight properties. The extrusion process creates a strong bond between the aluminum fins and the Incoloy base tube.
|
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
|
8.14 g/cm3 |
1400 °C (2550 °F) |
Psi – 80,000 , MPa – 550 |
Psi – 32,000 , MPa – 220 |
30 % |
Applications:
- Petrochemical and Refinery Industry
- Power Generation
- Chemical Processing
- Oil and Gas Industry
- Marine Applications
- High-Temperature Furnaces
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