Extruded Finned Tube ASTM A179 with AL1060 Fins For Heat Exchanger

What is Extruded Finned Tube?

An extruded finned tube is a type of heat exchanger tube that has fins which are mechanically extruded from its wall by compression. The fin profile is formed by a mandrel that is inserted into the tube, and the tube material is forced under high pressure through a die which shapes the fins. This process produces a strong metallurgical bond between the fins and the tube surface, making the fins and tube act as a single piece.

Extruded finned tubes are commonly made from Aluminum, Copper, and Stainless Steel materials. They offer high thermal conductivity, corrosion resistance, and good mechanical strength. The fins are usually rectangular or helical in shape and are available in various heights and thicknesses to suit specific heat transfer requirements.

Extruded finned tubes are used in various industries, including air conditioning, refrigeration, heating and cooling systems, and power generation. They are particularly suitable for applications requiring higher heat transfer rates and increased surface area, where space is limited. Commonly used in air-cooled heat exchangers, Extruded finned tubes offer an efficient and cost-effective solution for managing high-temperature applications.

What's the advantage of A179 Extruded Finned Tube with Al1060 Fins?

The advantage of using A179 Extruded Finned Tube with Al1060 Fins is that it enhances the heat transfer efficiency of the tube. Al1060 is a specific type of aluminum alloy that has high thermal conductivity, which means it can transfer heat quickly and effectively. When Al1060 fins are mechanically extruded onto an A179 tube, which is a low-carbon steel tube, it creates an extended surface area for heat transfer, allowing for efficient transfer of heat between the fluid and the tube.

In addition, the use of Al1060 fins makes the finned tube more corrosion-resistant and lightweight. This makes it suitable for use in environments that require corrosion resistance and where weight is a critical factor. The extrusion process forms a metallurgical bond between the tube and fins, making the fins and tube act as a single piece. This enhances the strength and structural integrity of the tube, ensuring that it retains its shape and performs optimally even under high temperatures and pressures.

Overall, using A179 Extruded Finned Tube with Al1060 Fins can result in higher heat transfer rates, lower energy consumption, and increased durability and longevity of the heat exchanger. This makes it an ideal choice for industries that require high-performance and efficient heat transfer solutions.

What's the Chemical Composition and Mechanical Properties of ASTM A179?

The ASTM A179 specification covers seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus. The chemical composition and mechanical properties of ASTM A179 are as follows:

Chemical Composition:

- Carbon (C): 0.06-0.18%

- Manganese (Mn): 0.27-0.63%

- Phosphorous (P): 0.035% max

- Sulfur (S): 0.035% max

Mechanical Properties:

- Tensile strength: 325 MPa (minimum)

- Yield strength: 180 MPa (minimum)

- Hardness: HRB 72 max

- Elongation: 35% min

The ASTM A179 tube has a low carbon content that enhances its weldability and formability. Moreover, its high thermal conductivity and low resistivity make it ideal for heat exchangers and similar applications. Additionally, this tube's mechanical properties ensure strength and durability, while its exceptional surface quality and close dimensional tolerances make it an excellent candidate for high-performance heat transfer applications.

What are the main applications of ASTM A179 Extruded finned tubes?

The ASTM A179 Extruded finned tubes are versatile and used in a broad range of industrial applications that demand enhanced heat transfer. Some of the primary applications of ASTM A179 Extruded finned tubes are:

1. Air-cooled Exchangers: These finned tubes are widely used in air-cooled heat exchangers, which are applied in various industries, including oil & gas, petrochemicals, power generation, and others. The high efficiency of heat transfer due to the extruded fins results in a more effective exchanger.

2. Coolers: The extruded finned tubes are used in different coolers, including oil coolers, hydraulic coolers, and air coolers. The extruded fins augment heat transfer, making the cooler more effective.

3. Gas to Gas Heat Exchangers: The ASTM A179 extruded-finned tubes are a popular choice for gas-to-gas heat exchangers, which are used in waste heat recovery systems and various industrial processes.

4. Evaporators/Condensers: The ASTM A179 extruded finned tubes are also used in evaporators and condensers that are part of the refrigeration systems and other cooling applications.

5. Process Heat Exchangers: These tubes are used in process heat exchangers, found in different industries, including oil refineries and chemical processing plants. The extruded fins enhance the heat transfer rate, resulting in a more effective heat exchanger.

Overall, the ASTM A179 Extruded finned tubes are used in different industrial applications that require efficient heat transfer and high heat transfer rates. Their usage results in higher efficiency and improved effectiveness of their intended applications, reducing energy consumption and enhancing productivity.