YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 100kgs |
| Delivery Time | 7 days |
| Packaging Details | ply-wooden case with iron frame |
| Material | Copper Nickel, C70600 |
| Fin Type | Low Fin Type |
| Fin Mat | Coper alloy steel |
| NDT | HT, ECT |
| Application | HE, Radiator |
| FPI | 23-32 |
| Brand Name | Yuhong |
| Model Number | ASME SB111 C70600 |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 100kgs |
| Delivery Time | 7 days | Packaging Details | ply-wooden case with iron frame |
| Material | Copper Nickel, C70600 | Fin Type | Low Fin Type |
| Fin Mat | Coper alloy steel | NDT | HT, ECT |
| Application | HE, Radiator | FPI | 23-32 |
| Brand Name | Yuhong | Model Number | ASME SB111 C70600 |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | NDT ECT Low Fin Tube ，C70600 Low Fin Tube ，ASME SB111 Low Fin Tube | ||
This is a low finned tube made from ASME SB111 C70600 (90/10 Copper-Nickel), commonly used in marine heat exchangers, condensers, and seawater-cooled systems. The low fins are integrally formed on the outside surface of the base tube, increasing the surface area and heat transfer efficiency without adding external material.
| Element | Content (%) |
|---|---|
| Copper (Cu) | 88.6 min (including Ni) |
| 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 |
| Others (each) | 0.05 max |
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 310 MPa (45 ksi) |
| Yield Strength | ≥ 105 MPa (15 ksi) |
| Elongation | ≥ 30% |
| Hardness | ≤ 100 HRB |
| Advantage | Description |
|---|---|
| 1. Superior Seawater Corrosion Resistance | C70600 offers excellent resistance to seawater corrosion, outperforming carbon steel and aluminum, which are prone to rust and pitting in marine environments. |
| 2. Excellent Biofouling Resistance | Copper-nickel naturally resists marine organism growth (e.g., barnacles and algae), reducing maintenance needs—something stainless steel and aluminum can't do without coatings. |
| 3. High Thermal Conductivity | Better heat transfer performance than stainless steel, ensuring more efficient thermal exchange. |
| 4. No Galvanic Corrosion with Fins | Because fins are integrated from the same base material (monometallic), there is no risk of galvanic corrosion—unlike carbon or stainless tubes with aluminum fins. |
| 5. Strong Mechanical Integrity | Maintains ductility and toughness at elevated temperatures and pressures, especially compared to aluminum which is softer and less pressure-resistant. |
| 6. Low Maintenance Requirements | Natural corrosion and biofouling resistance minimize inspection frequency and reduce downtime. |
| 7. Long Service Life in Harsh Environments | Proven reliability in offshore, shipbuilding, and coastal power applications, where stainless steel may suffer from crevice corrosion. |
| 8. Resistance to Stress Corrosion Cracking (SCC) | Better SCC resistance in chloride-rich environments compared to austenitic stainless steels like 304L or 316L. |
| 9. Stable Heat Transfer Over Time | Fewer fouling and corrosion issues ensure consistent performance compared to carbon steel or aluminum fin tubes. |
Marine condensers
Seawater-cooled heat exchangers
Desalination systems
Offshore platform coolers
Power plant condenser systems
Shipbuilding and naval 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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