ASTM A179 Carbon Steel Seamless Tube Embedded Fin Tube For Air Cooler
ASTM A179 Carbon Steel Seamless Tube, Embedded Fin Tube, For Air Cooler Tube
Introduction
This product consists of a carbon steel seamless base tube (ASTM A179) with embedded aluminum fins (commonly Al1060), designed for use in air cooler applications. The embedded fin type ensures strong mechanical bonding and excellent heat transfer performance in air-cooled heat exchanger systems.
Chemical Composition (Base Tube - ASTM A179)
| Element | C (max) | Mn | P (max) | S (max) |
|---|---|---|---|---|
| Content (%) | 0.06–0.18 | 0.27–0.63 | 0.035 | 0.035 |
Mechanical Properties (Base Tube - ASTM A179)
| Property | Value |
|---|---|
| Tensile Strength | ≥325 MPa |
| Yield Strength | ≥180 MPa |
| Elongation | ≥35% |
| Hardness (HBW) | ≤72 |
Fin Material (Aluminum Strip – Al1060)
| Element | Al (%) | Si (%) | Fe (%) | Cu (%) | Zn (%) |
|---|---|---|---|---|---|
| Content | ≥99.6 | ≤0.25 | ≤0.35 | ≤0.05 | ≤0.05 |
Advantages
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High thermal conductivity: Aluminum fin ensures rapid heat dissipation.
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Mechanical durability: Embedded fin structure provides strong bonding with the base tube.
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Corrosion resistance: Aluminum fins offer protection against environmental oxidation.
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Cost-effective: Carbon steel tube + aluminum fin is a good balance of performance and price.
Application
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Air cooler tubes in:
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Refineries
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Petrochemical plants
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Power plants
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HVAC systems
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Gas compression and liquefaction plants
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Typically found in the cooling section of air-cooled heat exchangers where high-efficiency heat transfer is needed.
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