Copper Nickel 70 / 30 Low Fin Tubes ASTM B111 C71500 For Condensers

Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number:ASTM B111 C71500
Minimum Order Quantity:Depend the size of finned tubes, 50-100PC
Delivery Time:35-60 days
Payment Terms:L/C, T/T
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Copper Nickel 70 / 30 Low Fin Tubes ASTM B111 C71500 For Condensers


ASTM B111 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 (%) 70-30 Copper-Nickel


GradeCuNi, incl CoPbFeZnMn
C71500remainder29.0-33.00.050.4-1.01.001.00

Mechanical Properties


GradeStandardTensile Strength,minYield Strength (0.2%Offset,min)
C71500O6152ksi18ksi
HR5072ksi50ksi


Definition


Low fin tubes are specialized heat exchanger tubes designed to enhance heat transfer by increasing the surface area. They feature small, closely spaced fins on their outer surface, which are typically shorter and have a height of about 0.125 to 0.25 inches. The Low Fin Tubes/Integral Fin Tubes are increasingly being used in various fluid heat exchangers, such as in coolers, condensers, and chillers. They are specialized heat exchangers designed to enhance heat transfer efficiency while maintaining a compact structure.


Material:Typically constructed from materials such as carbon steel, stainless steel, alloy or copper, providing durability and resistance to corrosion.


Advantages


*Corrosion resistance, wear resistance, low contact thermal resistance.


*The design increases surface area, improving the efficiency of heat exchange processes.


*The low-profile fins minimize flow resistance, leading to lower energy consumption in pumping systems.


*The reduced fin height allows for a more compact heat exchanger, making them suitable for space-constrained applications.


*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 )


*Petrochemical Industry

Low fin tubes are extensively used in heat exchangers for processes such as cracking furnaces and distillation towers, which operate under high temperatures and pressures and involve corrosive environments.


*Oil and Gas Industry

Low fin tubes are utilized in air-cooled heat exchangers for cooling fluids and gases in various applications, including compressors, pumps, and separators, especially in remote locations where water is scarce.


*Chemical Processing

They are used in chemical plants to cool process fluids and reactors, where their robust design can handle corrosive and hazardous substances.


*Power Generation

In thermal power plants, low fin tubes are used in heat exchangers for cooling and condensing steam, thereby improving the efficiency of the power generation process.


*Marine Applications

Low fin tubes are used in heat exchangers for marine applications, including engine cooling and other systems that require efficient heat transfer in a compact design.


*Air Conditioning and Refrigeration

They are employed in condensers and evaporators of air conditioning and refrigeration systems to improve heat transfer efficiency between refrigerants and air.


*HVAC Systems

In large commercial and industrial buildings, low fin tubes are used in HVAC systems to reject heat from refrigerants, helping to maintain comfortable indoor climates.


Specifications


TypeDescriptionBase tubeFin specification (mm)
O.D. (mm)Fin pitchFin heightFin thick
EmbeddedG-type fin tube16-632.1-5<17~0.4
ExtrudedSingle metal / Combined metal8-511.6-10<170.2-0.4
Low fin tube / T-type fin tube10-380.6-2<1.6~0.3
Bamboo tube / corrugated tube16-518-30<2.5~0.3
WoundL / KL / LL type fin tube16-632.1-5<17~0.4
StringString fin tube25-382.1-3.5<200.2-0.5
U-typeU-type fin tube16-38///
WeldingHF-welding fin tube16-2193-255-300.8-3
H/HH type fin tube25-638-30<2001.5-3.5
Serrated spiral fin tube25-2192-7<38.10.9-2.0
Studed fin tube25-2198-305-35φ5-20

China Copper Nickel 70 / 30 Low Fin Tubes ASTM B111 C71500 For Condensers supplier

Copper Nickel 70 / 30 Low Fin Tubes ASTM B111 C71500 For Condensers

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