What is copper nickel extruded fin tubing?
Copper nickel extruded fin tubing is a type of heat transfer tube that is widely used in various industrial applications, particularly in the marine and offshore industries. It is created by extruding fins onto the surface of a base tube made of copper nickel alloy, which creates a strong mechanical bond between the fins and the tube. The fins increase the surface area of the tube, which enhances the heat transfer coefficient, allowing for more efficient heat transfer between the tube and the surrounding fluid.
Copper nickel extruded fin tubing Processing Method:
The manufacturing process for copper nickel extruded fin tubing is similar to the process for other extruded fin tubes. It involves pushing a copper nickel alloy billet through a die, which extrudes fins onto the outer surface of a copper nickel alloy base tube. The tube is then cut to the desired length and the edges of the fins are trimmed to ensure a smooth surface.
Copper nickel extruded fin tubing Base Tube Material:
The base tube material for copper nickel extruded fin tubing is typically made of copper nickel alloy, which is known for its excellent resistance to seawater corrosion and erosion. The material is also resistant to biofouling, which makes it well-suited for marine and offshore applications.
Copper nickel extruded fin tubing Fin Material:
The fins for copper nickel extruded fin tubing are typically made of aluminum, copper, or other alloys with good thermal conductivity. The material is selected based on the specific application requirements, such as the desired heat transfer rate and the environmental conditions.
Copper nickel extruded fin tubing Conventional Size:
Copper nickel extruded fin tubing can be produced in a wide range of sizes, from small diameters for compact heat exchangers to larger sizes for power generation equipment. The diameter of the base tube typically ranges from 3/8" to 4", and the fin height ranges from 1/16" to 1/2".
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ASTM B111 CuNi 90/10 extruded fin tubing
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Base Tube Material
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Fin Material
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Tube Length (mm)
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Fin length (mm)
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Fin Tube Quantity (Pc)
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ASTM B111 CuNi 90/10
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Aluminum
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3710
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3610
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1248
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Base Tube O.D (mm)
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Base Tube Thickness (mm)
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Fin Height (mm)
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Fin Thickness (mm)
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Fin Pitch (mm)
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15.88
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1.245
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11
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0.4
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2.54
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ASTM B111 CuNi 90/10 is Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
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Copper nickel extruded fin tubing Characteristics:
Copper nickel extruded fin tubing has several characteristics that make it well-suited for heat transfer applications, particularly in marine and offshore environments. These include:
1. Excellent resistance to seawater corrosion and erosion
2. Low biofouling resistance
3. High heat transfer coefficient due to increased surface area from the fins
4. Strong mechanical bond between the fins and the base tube, which increases the durability of the tube
5. Low air-side pressure drop due to the smooth fins
Copper nickel extruded fin tubing Purpose:
Copper nickel extruded fin tubing is used in various heat transfer applications, particularly in marine and offshore environments. It is commonly used in heat exchangers, condensers, and cooling systems for seawater applications. Copper nickel extruded fin tubing is often preferred over other types of finned tubes due to its excellent resistance to seawater corrosion and erosion, which helps to prolong the service life of the equipment.
Copper nickel extruded fin tubing |
