U Bend Fin Tube
A U bend fin tube is a type of heat exchanger tube that is bent in a U shape. It is commonly used in applications where space is limited and efficient heat transfer is required. The U bend design allows for a compact and efficient heat transfer surface.
The fin tube is typically made of a high-quality material such as copper, aluminum, or stainless steel. The fins are attached to the outer surface of the tube, increasing the surface area and improving heat transfer efficiency.
The U bend design allows for easy installation and maintenance. It also allows for a more uniform distribution of fluid flow, resulting in better heat transfer performance.
U bend fin tubes are commonly used in HVAC systems, refrigeration units, and industrial heat exchangers. They are also used in applications where heat recovery is required, such as in waste heat recovery systems.
Overall, U bend fin tubes are a versatile and efficient solution for heat transfer applications, providing compact design, high heat transfer efficiency, and easy installation and maintenance.
Tubes for heat exchangers are made of steel according to:
| Standard | Application |
| ASTM A179 | Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes |
| ASTM A192 | Seamless Carbon Steel Boiler Tubes for High-Pressure Service |
| ASTM A210 | Seamless Medium-Carbon Steel Boiler and Superheater Tubes |
| ASTM A213 | seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| ASTM A334 | Seamless Steel Pipe for Low-Temperature Service and other Applications with Required Notch Toughness |
Chemical Composition and Mechanical Properties (Part)
| Standard | Grade | Chemical Components (%) | Mechanical Properties |
| C | Si | Mn | P | S | Mo | Cr | Y.S. (Mpa) | E.L. | Hardness |
| (%) | (HRB) |
| ASME SA179 | SA179 | 0.06-0.18 | / | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | ≥180 | ≥35 | ≤72 |
| ASME SA192 | SA192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | ≥180 | ≥35 | ≤77 |
| ASME SA210 | A1 | ≤0.27 | ≥0.10 | ≤0.93 | ≤0.035 | ≤0.035 | / | / | ≥255 | ≥30 | ≤79 |
| C | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | / | / | ≥275 | ≥30 | ≤89 |
| ASTM A333 /A334 | GR.1 | ≤0.30 | / | 0.4-1.06 | ≤0.025 | ≤0.025 | / | / | ≥205 | ≥35 | -45° |
| GR.6 | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.025 | ≤0.025 | / | / | ≥240 | ≥30 | -45° |
| GR.8 | ≤0.13 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | / | / | ≥515 | ≥22 | -195° |
U bend fin tubes are commonly used in heat exchangers and air conditioning systems. Some of the applications of U bend fin tubes include:
1. Heat exchangers: U bend fin tubes are widely used in various types of heat exchangers, such as shell and tube heat exchangers, finned tube heat exchangers, and plate heat exchangers. They are used to transfer heat between two fluids, such as water and air, by maximizing the surface area available for heat transfer.
2. Air conditioning systems: U bend fin tubes are used in air conditioning systems to enhance heat transfer between the refrigerant and the air. The fins on the tubes increase the surface area, allowing for more efficient heat exchange and better cooling performance.
3. Radiators: U bend fin tubes are used in radiators to dissipate heat from the engine coolant. The fins on the tubes increase the surface area, allowing for more efficient heat transfer and better cooling of the engine.
4. Boilers: U bend fin tubes are used in boilers to improve heat transfer efficiency. The fins on the tubes increase the surface area, allowing for better heat transfer from the hot gases to the water or steam.
5. Oil coolers: U bend fin tubes are used in oil coolers to remove heat from the oil. The fins on the tubes increase the surface area, allowing for more efficient heat transfer and better cooling of the oil.
6. Condensers: U bend fin tubes are used in condensers to convert the refrigerant from a gas to a liquid state. The fins on the tubes increase the surface area, allowing for more efficient heat transfer and better condensation of the refrigerant.
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A179,A192,A210,A213,A334 U Bend Fin Tube For High Temperature Applications,Heat Exchanger Images
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