YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 tons/month |
| Delivery Time | 35-60 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube |
| Type | Low Fin Tubes / Integral Fin Tubes |
| Standard | ASTM B111 |
| Material | C71500 Tube CuNi 70 / 30 |
| Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG |
| Model Number | ASTM B111 C71500 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000 tons/month |
| Delivery Time | 35-60 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube | Type | Low Fin Tubes / Integral Fin Tubes |
| Standard | ASTM B111 | Material | C71500 Tube CuNi 70 / 30 |
| Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc | Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG | Model Number | ASTM B111 C71500 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | CHINA |
| High Light | C71500 Low Fin Tubes ，ASTM B111 Low Fin Tubes ，Condensers Low Fin Tubes | ||
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
| Grade | Cu | Ni, incl Co | Pb | Fe | Zn | Mn |
| C71500 | remainder | 29.0-33.0 | 0.05 | 0.4-1.0 | 1.00 | 1.00 |
Mechanical Properties
| Grade | Standard | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| C71500 | O61 | 52ksi | 18ksi |
| HR50 | 72ksi | 50ksi |
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
| 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 | |
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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