Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7days |
| Packaging Details | Ply-wooden Case / Bundle with plastic Cap |
| Product Name | Copper Nickel Tube |
| Standard | ASTM B111 / ASME SB111 |
| Material | C44300 , C68700, C71500 , C70600, C12200, etc. |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| WT | 10 - 25 BWG |
| Length | Single Random, Double Random, Cut Length |
| Type | Seamless |
| End | Plain Ends / Beveled Ends |
| Temper | O61 Annealed / HR50 Drawn & Stress Relieved |
| Application | Heat Exchangers, Refineries, Power Plants, Desalination Plants, Ship Building & Ship Repairs, Condensers, Ferrules, Distillers |
| Brand Name | YUHONG |
| Model Number | ASME SB111 UNS C71500 O61 Copper Nickel Tube |
| Certification | ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS. |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7days |
| Packaging Details | Ply-wooden Case / Bundle with plastic Cap | Product Name | Copper Nickel Tube |
| Standard | ASTM B111 / ASME SB111 | Material | C44300 , C68700, C71500 , C70600, C12200, etc. |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. | WT | 10 - 25 BWG |
| Length | Single Random, Double Random, Cut Length | Type | Seamless |
| End | Plain Ends / Beveled Ends | Temper | O61 Annealed / HR50 Drawn & Stress Relieved |
| Application | Heat Exchangers, Refineries, Power Plants, Desalination Plants, Ship Building & Ship Repairs, Condensers, Ferrules, Distillers | Brand Name | YUHONG |
| Model Number | ASME SB111 UNS C71500 O61 Copper Nickel Tube | Certification | ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS. |
| Place of Origin | CHINA | ||
| High Light | CuNi 70/30 Seamless Condenser Tube ，UNS C71500 Condenser Tube ，ASME SB111 Condenser Tube | ||
ASTM B111 / ASME SB111 C71500 Copper Nickel Tube , CuNi30Mn1Fe Condenser Tube
Seamless tubes made from copper-nickel alloy UNS C71500 (CuNi90/10), composed of approximately 90% Copper (Cu) and 10% Nickel (Ni), often with small additions of Iron (Fe) and Manganese (Mn) for enhanced properties. as below:
1>. Exceptional Corrosion Resistance: Highly resistant to seawater, brackish water, brine, steam condensate, and various chemicals (acids, alkalis). Resists stress corrosion cracking, erosion-corrosion, and impingement attack.
2>. Biofouling Resistance: Naturally inhibits marine organism growth (barnacles, mussels, algae) better than many other alloys.
3>. Good Fabricability & Weldability: Can be formed, bent, brazed, soldered, and welded (using matching filler metals) relatively easily.
4>. Moderate Strength & Toughness: Higher strength and better ductility than pure copper or brass. Good fatigue strength.
5>. Thermal Conductivity: Lower than pure copper but significantly higher than carbon/stainless steels (beneficial for heat exchangers).
6>. Thermal Expansion: Coefficient similar to carbon steel, minimizing thermal stress issues when joined.
ASME SB111 UNS C71500 Copper Nickel Tube Chemical Composition
| Grade | C(Max) | Pb | Mn | P | S | Zn | Fe | Ni | Cu |
| C71500 | 0.05 | 0.02 | 1.0 | 0.02 | 0.02 | 0.50 | 0.4-1.0 | 29.0-33.0 | Balance |
ASME SB111 UNS C71500 Copper Nickel Tube Mechanical Properties
| Properties | Metric | Imperial |
| Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
| Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
| Elongation at break (in 381 mm) | 45.0% | 45.0% |
| Charpy impact | 107 J | 78.9 ft-lb |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 57.0 GPa | 8270 ksi |
| Poisson's ratio | 0.34 | 0.34 |
| Elastic modulus | 150 GPa | 21800 ksi |
| Material Designation | Corresponding Material Symbol | ||||
| GB/T8890 | ASTM B111 | BS2871 | JIS H3300 | DIN 1785 | |
| Copper-Nickel | BFe10-1-1 | C70600 Pipe | CN102 | C7060 | CuNi10Fe1Mn |
| BFe30-1-1 | C71500 Pipe | CN107 | C7150 | CuNi30Mn1Fe | |
| (BFe30-2-2) | C71640 | CN108 | C7164 | CuNi30Fe2Mn2 | |
| (BFe5-1.5-0.5) | C70400 | – | – | – | |
| B7 | – | – | – | – | |
| Aluminium Brass | HAL77-2 | C68700 Tube | CZ110 | C6870 | CuZn20Al2 |
| Admiralty Brass | HSn70-1 | C44300 Tube | CZ111 | C4430 | CuZn28Sn1 |
| Boric Brass | Hsn70-18 | – | – | – | – |
| HSn70-1 AB | – | – | – | – | |
| Arsenical Brass | H68A | – | CZ126 | – | – |
| Brass Tubes | H65/H63 | C28000/C27200 | CZ108 | C2800/C2700 | CuZn36/CuZn37 |
Applications
Marine & Offshore: Condenser & heat exchanger tubes, seawater piping systems (pumps, valves, fittings), desalination plant tubes, ballast systems.
Power Generation: Feedwater heaters, condensers, auxiliary cooling systems.
Chemical & Process: Handling corrosive fluids, process piping, evaporators.
Oil & Gas: Offshore platform seawater cooling systems, brine handling.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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