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 | Gilled Integral Low Fin Tubes ，Cu70Ni30 Integral Low Fin Tubes ，C71640 gilled tube | ||
| Base Tube Material Grade | UNS C71640, Cu70Ni30 |
|---|---|
| Base Tube Material Standard | ASTM B111, ASME SB111 |
| Type | Straight Tube |
| Application | Heat Exchangers, Condensers, Coolers, etc. |
| Fin Type | Low Fin |
| Fin Material | Copper |
ASTM B111 C71640 (Cu70Ni30) Copper Nickel Alloy Low Fin Tubes combine enhanced heat transfer efficiency with superior corrosion resistance. Designed for harsh marine and industrial environments, these tubes provide reliable performance and longevity in demanding applications.
The low fin design improves thermal performance by creating turbulence in fluid flow, enhancing convective heat transfer coefficients and overall thermal efficiency. The C71640/Cu70Ni30 alloy offers exceptional resistance to seawater corrosion, making these tubes ideal for marine and coastal applications.
| 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 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength (annealed) | 434 MPa | 63000 psi |
| Tensile strength (hard drawn) | 538 MPa | 81000 psi |
| Yield strength (annealed) | 172 MPa | 25000 psi |
| Yield strength (hard drawn) | 400 MPa | 58000 psi |
| Elongation at break (hard drawn) | 4.00% | 4.00% |
| Elongation at break (annealed) | 40.00% | 40.00% |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1990
Total Annual:
5000000-10000000
Employee Number:
50~100
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. The factories alre... 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. The factories alre...
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