Low Fin Tubes / Integral Fin Tubes Copper Nickel ASTM B111 C70600 For Condensers
Low Fin Tubes
The Low Fin Tubes/Integral Fin Tubes are increasingly being used in various fluid heat Eexchangers. They are specialized heat exchangers designed to enhance heat transfer efficiency while maintaining a compact structure. They feature low-profile fins that are attached to the outer surface of the tube, increasing the surface area available for heat exchange.
It is suitable for the shell side medium is relatively clean, no corrosion, no scaling, can use low thread finned tube as heat exchange element to form low thread finned tube high efficiency heat exchanger.
Design Features
Fins:The fins are typically spaced apart and have a low height, which minimizes flow resistance while still providing significant surface area for heat transfer.
Material:Typically constructed from materials such as carbon steel, stainless steel, alloy or copper, providing durability and resistance to corrosion.
Detailes of ASTM B111 Base Tubes ( Wall thickness generally is Min. )
This page let's talk about ASTM B111 C70600 copper alloy low fin tubes.
ASTM B111 This specification establishes requirements for seamless tube and ferrule stock of copper and various copper alloys up to 31 ⁄ 8 in. (80 mm), inclusive, in diameter, for use in surface condensers, evaporators, and heat exchangers.
Chemical Composition (%) 90-10 Copper-Nickel
| Grade | Cu | Ni, incl Co | Pb | Fe | Zn | Mn |
| C70600 | remainder | 9.0-11.0 | 0.05 | 1.0-1.8 | 1.00 | 1.00 |
Mechanical Properties
| Grade | Standard | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| C70600 | O61 | 40ksi | 15ksi |
| H55 | 45ksi | 35ksi |
Advantages
1.The reduced fin height allows for a more compact heat exchanger, making them suitable for space-constrained applications;
2.The low-profile fins minimize flow resistance, leading to lower energy consumption in pumping systems;
3.Corrosion resistance, wear resistance, low contact thermal resistance;
4.The design increases surface area, improving the efficiency of heat exchange processes;
5.With a versatile application, suitable for a wide range of industries, including oil and gas, chemical processing, and power generation;
Application ( Not limited to the following )
Heat exchangers, boilers, furnaces and refineries
Widely used in various types of heat exchangers, including air-cooled and water-cooled systems.
Power Generation
Employed in boilers and condensers to improve heat recovery and overall efficiency.
HVAC Systems
Utilized in heating, ventilation, and air conditioning systems to improve energy efficiency,etc.
Specifications For Various Types Of Finned Tubes
Our finned tubes include the following types,and we can make sure that fin tubes we produced with highest quality and manufacturing standards.
| Type | Description | Base tube | Fin specification (mm) |
| O.D. (mm) | Fin pitch | Fin height | Fin thick |
| Embedded | G-type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| Extruded | Single metal / Combined metal | 8-51 | 1.6-10 | <17 | 0.2-0.4 |
| Low fin tube / T-type fin tube | 10-38 | 0.6-2 | <1.6 | ~0.3 |
| Bamboo tube / corrugated tube | 16-51 | 8-30 | <2.5 | ~0.3 |
| Wound | L / KL / LL type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type fin tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3-25 | 5-30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8-30 | <200 | 1.5-3.5 |
| Serrated spiral fin tube | 25-219 | 2-7 | <38.1 | 0.9-2.0 |
| Studed fin tube | 25-219 | 8-30 | 5-35 | φ5-20 |
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Low Fin Tubes / Integral Fin Tubes Copper Nickel ASTM B111 C70600 For Condensers Images
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