Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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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 |
| 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° | |
