The ASTM A179 / ASME SA179 Carbon Steel Wound Fin Tubes with Al1060 Aluminum Strip are designed to provide efficient heat transfer in industrial heat exchangers, boilers, and cooling systems. These tubes feature a carbon steel base tube (ASTM A179 / ASME SA179) with wound aluminum fins (Al1060), providing an enhanced surface area for heat dissipation. The wound fin design offers a compact and cost-effective solution, ideal for heat recovery systems, air-cooled heat exchangers, and other industrial cooling applications.

Key Features

1. Base Tube Material: ASTM A179 / ASME SA179 Carbon Steel

ASTM A179 / ASME SA179 is low-carbon steel, known for its excellent thermal conductivity and strength.
It is commonly used in seamless tubes for heat exchangers, condensers, and boilers, especially in high-temperature and high-pressure environments.
The low-carbon content allows for easy welding and fabrication, making it ideal for various industrial applications requiring reliable heat transfer.

2. Fin Type: Wound Fin Design

Wound fins are spirally wrapped around the base tube, increasing the surface area for heat transfer without significantly increasing the size of the tube.
This design is particularly effective in space-limited applications, where maximizing heat transfer efficiency in a compact form is necessary, such as in air-cooled heat exchangers and cooling towers.

3. Fin Material: Al1060 Aluminum Strip

Al1060 aluminum is used for the fins due to its high thermal conductivity and lightweight properties, which enhance the heat dissipation capabilities of the tube.
The Al1060 aluminum strip provides excellent corrosion resistance, ensuring long-term durability in humid or chemically aggressive environments, making these tubes ideal for cooling systems and industrial heat exchangers.

4. Application: Heat Exchangers, Boilers, Cooling Systems

The wound fin tube design is perfect for heat exchangers, boilers, cooling systems, and HVAC systems that require high heat transfer efficiency in a compact and cost-effective form factor.
These tubes are particularly useful in air-cooled heat exchangers, condensers, and industrial cooling systems where space constraints and high efficiency are important.

Chemical Composition

Base Tube: ASTM A179 Carbon Steel

Element	ASTM A179 Carbon Steel (Base Tube)
Carbon (C)	≤ 0.06%
Manganese (Mn)	0.27% - 0.63%
Phosphorus (P)	≤ 0.035%
Sulfur (S)	≤ 0.035%

Fin Material: Al1060 Aluminum

Element	Al1060 Aluminum (Fin Material)
Aluminum (Al)	≥ 99.0%
Iron (Fe)	≤ 0.35%
Copper (Cu)	≤ 0.05%
Silicon (Si)	≤ 0.25%

Mechanical Properties

Base Tube: ASTM A179 Carbon Steel

Property	ASTM A179 Carbon Steel (Base Tube)
Tensile Strength	335 - 485 MPa
Yield Strength	≥ 205 MPa
Elongation	≥ 30%
Hardness	Brinell hardness: 160 - 190 HB

Fin Material: Al1060 Aluminum

Property	Al1060 Aluminum (Fin Material)
Tensile Strength	70 - 110 MPa
Yield Strength	30 - 55 MPa
Elongation	≥ 20%

Advantages of L-Type Fin Tube with Al1060 Aluminum Strip

1. Increased Heat Transfer Efficiency:
  - The wound fin design increases the surface area for heat transfer, significantly improving the thermal efficiency of heat exchangers, cooling systems, and boilers.
2. Corrosion Resistance:
  - Al1060 aluminum fins provide excellent corrosion resistance, ensuring the long-term durability of the tube, especially in humid or corrosive environments like those found in cooling systems.
3. Compact Design:
  - The wound fin tube design provides high heat transfer efficiency in a compact form, making it ideal for space-constrained applications such as industrial heat exchangers and air-cooled heat exchangers.
4. Durability and Strength:
  - The mechanically bonded aluminum strip ensures a strong attachment between the fins and base tube, improving the reliability and structural integrity of the tube, even under thermal cycling and mechanical stresses.
5. Cost-Effective:
  - The combination of carbon steel base tube and aluminum fins provides an affordable solution that delivers high thermal conductivity and corrosion resistance without significantly increasing costs.

Applications

Air Coolers: Used in industrial air cooling systems where high-efficiency heat transfer is required.
Heat Exchangers: Ideal for chemical processing, petrochemical plants, and HVAC systems, where thermal efficiency and corrosion resistance are important.
Condensers: Used in industrial condensers to cool and condense gases efficiently.
HVAC Systems: Employed in large-scale heating, ventilation, and air conditioning systems to maintain optimal cooling performance.

Conclusion

The ASTM A179 Carbon Steel L-Type Fin Tube with Al1060 Aluminum Strip is an efficient and durable solution for heat exchanger and cooling applications. Its L-type fin design ensures maximum heat dissipation, while the combination of carbon steel and aluminum ensures cost-effectiveness, corrosion resistance, and high thermal conductivity. This tube is ideal for a wide range of industrial systems, providing long-term reliability and superior performance.

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