YUHONG HOLDING GROUP CO., LTD
| Supply Ability | 5000 meters/day |
| Product | Low Fin Tube |
| Delivery Time | 50-120 days |
| Payment Terms | T/T,L/C |
| Material | ASTM B111 C70600 |
| Application | Seawater condensers, Shell-and-tube heat exchangers, Marine engine cooling systems, Offshore platform cooling equipment |
| Package | Plywood case |
| Packaging Details | Plywood case |
| Model Number | N/A |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Place of Origin | China |
| Brand Name | YUHONG |
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Product Specification
| Supply Ability | 5000 meters/day | Product | Low Fin Tube |
| Delivery Time | 50-120 days | Payment Terms | T/T,L/C |
| Material | ASTM B111 C70600 | Application | Seawater condensers, Shell-and-tube heat exchangers, Marine engine cooling systems, Offshore platform cooling equipment |
| Package | Plywood case | Packaging Details | Plywood case |
| Model Number | N/A | Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Place of Origin | China | Brand Name | YUHONG |
| High Light | ASTM B111 C70600 low fin tubes ，low fin tubes for seawater condensers ，C70600 condenser tubes with warranty | ||
ASTM B111 C70600 Low-Finned Tubes for Seawater Condensers are engineered to improve heat transfer efficiency in shell-and-tube heat exchangers operating with seawater and other chloride-containing cooling media. Manufactured from 90/10 Copper-Nickel (Cu-Ni 90/10) alloy in accordance with ASTM B111, these tubes combine the corrosion resistance of copper-nickel with the enhanced external surface area provided by integral low fins.
The low-fin profile increases the effective heat transfer area without significantly increasing pressure drop, making these tubes an excellent solution for compact condenser and cooler designs. Their outstanding resistance to seawater corrosion, erosion, and marine biofouling ensures reliable long-term performance in demanding offshore, marine, and coastal industrial environments.
ASTM B111 C70600 low-finned tubes are widely used in heat transfer equipment exposed to seawater or saline cooling media, including:
| Parameter | Range |
|---|---|
| Base Tube Outside Diameter | 12.70–31.75 mm (1/2"–1-1/4") |
| Tube Wall Thickness | 0.70–3.00 mm |
| Tube Length | Up to 18,000 mm |
| Fin Outside Diameter | 15–38 mm |
| Fin Height | 0.8–2.0 mm |
| Fin Pitch | 8–26 FPI (3.2–1.0 mm pitch) |
| Heat Transfer Area Increase | Approximately 2–3 times compared with plain tubes |
Dimensions can be customized according to project requirements.
| Element | Composition (%) |
|---|---|
| Copper (Cu) | Balance |
| Nickel (Ni) | 9.0–11.0 |
| Iron (Fe) | 1.0–1.8 |
| Manganese (Mn) | 1.0 max |
| Zinc (Zn) | 1.0 max |
| Lead (Pb) | 0.05 max |
| Carbon (C) | 0.05 max |
| Sulfur (S) | 0.02 max |
| Phosphorus (P) | 0.02 max |
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥275 MPa |
| Yield Strength (0.5% Extension) | ≥105 MPa |
| Elongation | ≥30% |
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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