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Property | Base Tube (Carbon Steel A179) | Fin Material (Aluminum 1060) |
---|---|---|
Outer Diameter (OD) | 19.05 mm - 50.8 mm | Customizable based on design |
Wall Thickness | 1.2 mm - 3.0 mm | - |
Fin Thickness | - | 0.5 mm - 1.5 mm |
Fin Height | - | 10 mm - 40 mm |
Fin Attachment | Extruded and bonded to base tube | - |
Element | Carbon Steel A179 (Base Tube) | Aluminum 1060 (Fin Material) |
---|---|---|
Carbon (C) | ≤ 0.10% | ≤ 0.03% |
Manganese (Mn) | 0.30% - 0.60% | ≤ 0.03% |
Phosphorus (P) | ≤ 0.035% | - |
Sulfur (S) | ≤ 0.035% | - |
Chromium (Cr) | ≤ 0.30% | - |
Nickel (Ni) | ≤ 0.40% | - |
Aluminum (Al) | - | ≥ 99.0% |
Property | Carbon Steel A179 (Base Tube) | Aluminum 1060 (Fin Material) |
---|---|---|
Tensile Strength | 335 - 485 MPa | 70 - 110 MPa |
Yield Strength | ≥ 205 MPa | 35 - 55 MPa |
Elongation | ≥ 30% | ≥ 20% |
Improved Heat Transfer:
Al1060 fins provide excellent heat conductivity, which boosts the
overall heat exchange efficiency of the system. The combination of
the steel tube (A179) and aluminum fins allows for optimized heat
transfer, especially in applications with significant temperature
gradients.
Corrosion Resistance:
While A179 steel is not as corrosion-resistant as aluminum, the use
of Al1060 fins helps mitigate corrosion risks. Aluminum is highly
resistant to oxidation, which is especially beneficial in humid or
marine environments where corrosion is a concern.
Cost-Effectiveness:
A179 is a relatively inexpensive steel, which helps keep the
overall cost of manufacturing the heat exchanger lower. Al1060,
while more expensive than standard steel, is still relatively
affordable compared to higher-grade aluminum alloys.
Weight Considerations:
The use of aluminum fins reduces the overall weight of the heat
exchanger compared to using fins made from steel or copper alloys.
This is particularly advantageous in applications where weight is a
concern, such as in mobile equipment.
Enhanced Durability:
The strength of A179 steel ensures that the core tube is durable
and resistant to mechanical stress. The aluminum fins, while
lightweight, do not compromise the structural integrity of the heat
exchanger.
Air Conditioning and Refrigeration Systems:
These heat exchangers can be used in cooling coils or evaporators
where efficient heat dissipation is critical. The combination of
A179 tubes and Al1060 fins ensures long-lasting performance even in
harsh environments.
Automotive Industry:
In radiators and other cooling systems where high heat transfer
efficiency is required, this combination can be highly effective.
The lighter weight of aluminum fins helps reduce the overall weight
of the system.
Power Plants:
In industries such as power generation, efficient heat exchangers
are needed to handle high heat loads. A179 extruded fin tubes with
Al1060 fins provide a good balance of cost, performance, and
longevity.
Oil & Gas:
In situations where heat exchangers are exposed to corrosive
environments, such as offshore oil rigs, this combination of
materials can be especially beneficial.