YUHONG HOLDING GROUP CO., LTD
| Supply Ability | 5000 meters/day |
| Payment Terms | T/T,L/C |
| Material | ASME SB111 C68700 |
| Delivery Time | 50-120days |
| Packaging Details | Iron frame wooden case/Plywood case |
| Product | Low Fin Tube |
| Package | Plywood case/Iron frame wooden case |
| Application | Heat Exchanger |
| Model Number | Low Fin Tube |
| Place of Origin | China |
| Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
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Product Specification
| Supply Ability | 5000 meters/day | Payment Terms | T/T,L/C |
| Material | ASME SB111 C68700 | Delivery Time | 50-120days |
| Packaging Details | Iron frame wooden case/Plywood case | Product | Low Fin Tube |
| Package | Plywood case/Iron frame wooden case | Application | Heat Exchanger |
| Model Number | Low Fin Tube | Place of Origin | China |
| Brand Name | YUHONG | Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| High Light | ASME SB111 C68700 low fin tubes ，low fin tubes for heat exchangers ，C68700 heat exchanger tubes with warranty | ||
ASME SB111 C68700 Low Finned Tubes are high-performance enhanced-surface tubes engineered to improve heat transfer efficiency in shell and tube heat exchangers, condensers, evaporators, air coolers, and thermal processing equipment. Manufactured from Aluminum Brass (UNS C68700), these tubes combine excellent corrosion resistance, superior thermal conductivity, and enhanced mechanical strength, making them ideal for demanding marine, power generation, desalination, petrochemical, and industrial heat transfer applications.
The low fin geometry significantly increases the external heat transfer area compared to plain tubes, resulting in higher thermal performance, reduced equipment size, and lower operating costs. Our ASME SB111 C68700 low fin tubes are precision manufactured to meet stringent dimensional tolerances and international quality standards.
| Element | Composition (%) |
|---|---|
| Copper (Cu) | Remainder |
| Zinc (Zn) | 20.0 – 23.0 |
| Aluminum (Al) | 1.8 – 2.5 |
| Arsenic (As) | 0.02 – 0.06 |
| Iron (Fe) | 0.06 Max |
| Manganese (Mn) | 0.01 Max |
| Nickel (Ni) | 0.50 Max |
| Lead (Pb) | 0.07 Max |
| Property | Typical Value |
| Tensile Strength | ≥ 315 MPa |
| Yield Strength (0.5% Extension) | ≥ 105 MPa |
| Elongation | ≥ 30% |
| Hardness | As per temper condition |
| Thermal Conductivity | Excellent |
| Density | Approx. 8.33 g/cm³ |
| Parameter | Range |
| Outside Diameter | 12.7 mm to 31.75 mm |
| Wall Thickness | 0.7 mm to 3.0 mm |
| Tube Length | Up to 25,000 mm |
| Temper | Annealed / As Specified |
| Parameter | Range |
| Fin Height | 0.8 mm to 2.0 mm |
| Fin Pitch | 10 to 26 Fins per Inch |
| Root Diameter | As per tube size |
| Finned Length | Customized |
| Plain Ends | As per customer requirement |
Custom dimensions are available upon request.
The low fins are mechanically formed from the tube wall without adding external material, ensuring excellent fin-to-tube integrity and efficient thermal performance. Precision finning technology maintains tube strength while maximizing external surface area for enhanced heat exchange efficiency.
The combination of Aluminum Brass metallurgy and low fin enhancement technology provides outstanding heat transfer performance in aggressive cooling water environments. These tubes offer extended service life, lower maintenance requirements, improved energy efficiency, and reliable operation under demanding industrial conditions.
For applications requiring superior seawater corrosion resistance and optimized thermal efficiency, ASME SB111 C68700 Low Finned Tubes represent a proven and cost-effective solution for modern heat exchanger systems.
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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