YUHONG HOLDING GROUP CO., LTD
| Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 90 Days |
| Packaging Details | Ply-Wooden Case + Iron Frame |
| Bast Tube Material Grade | UNS C71640 , Cu70Ni30 |
| Bast Tube Material Standard | ASTM B111 , ASME SB111 |
| Type | Straight Tube |
| Application | Heat Exchangers, Condensers, Coolers, Etc. |
| Fin type | Low Fin |
| Fin Material | Copper |
| Brand Name | YUHONG |
| Model Number | Low Fin Tube |
| Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 |
| Place of Origin | China , Korea |
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Product Specification
| Supply Ability | 10000 Tons/Month | Delivery Time | 5 - 90 Days |
| Packaging Details | Ply-Wooden Case + Iron Frame | Bast Tube Material Grade | UNS C71640 , Cu70Ni30 |
| Bast Tube Material Standard | ASTM B111 , ASME SB111 | Type | Straight Tube |
| Application | Heat Exchangers, Condensers, Coolers, Etc. | Fin type | Low Fin |
| Fin Material | Copper | Brand Name | YUHONG |
| Model Number | Low Fin Tube | Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 |
| Place of Origin | China , Korea | ||
| High Light | Copper Low Fin Tube ，Low Fin Tube ASTM B111 ，nickel alloy tube C71640 | ||
Copper Nickel Alloy Low Fin Tube , ASTM B111 C71640 , Cu70Ni30
ASTM B111 C71640 (Cu70Ni30) Copper Nickel Alloy offer a unique combination of enhanced heat transfer efficiency and superior resistance to corrosion. These tubes are specifically designed for use in harsh marine and industrial environments, providing reliable performance and longevity. Whether in marine, desalination, power generation, or chemical processing applications, these low fin tubes deliver a compact, cost-effective, and durable solution for modern heat exchanger challenges.
C71640 Copper Nickel Alloy Low Fin Tube improves the thermal performance, which fins create turbulence in the fluid flow, enhancing the convective heat transfer coefficient and overall thermal efficiency. And the C71640 / Cu70Ni30 alloy offers excellent resistance to seawater corrosion, making these tubes ideal for marine and coastal applications.
Chemical Composition:
| Element | Content (%) |
|---|---|
| Copper, Cu | 62.15-67.8 |
| Iron, Fe | 1.70-2.30 |
| Lead, Pb | 0.050 |
| Manganese, Mn | 1.50-2.50 |
| Nickel, Ni | 29.0-32.0 |
| Zinc, Zn | 29.0-32.0 |
Mechanical Properties:
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength (annealed) | 434 MPa | 63000 psi |
| Tensile strength (hard drawn-H80 for tubing / rolled-H04 for flat products) | 538 MPa | 81000 psi |
| Yield strength (annealed) | 172 MPa | 25000 psi |
| Yield strength (hard drawn-H80 for tubing / rolled-H04 for flat products) | 400 MPa | 58000 psi |
| Elongation at break (hard drawn-H80 for tubing / rolled-H04 for flat products) | 4.00% | 4.00% |
| Elongation at break (annealed) | 40.00% | 40.00% |
Applications:
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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