Products Description
SB171 C70600 Copper Nickel Tube
Advantages of SB171 C70600 Copper Nickel Tube
- Marine Seawater Systems (Pipes, Heat Exchangers, Condensers): SB171 C70600 Copper Nickel Tube has excellent corrosion resistance and can resist uniform corrosion, pitting corrosion, and crevice corrosion in seawater. And copper ions can naturally prevent the attachment of marine organisms.
- Power Plant Condensers and Heat Exchangers: Copper has high thermal conductivity, which can increase heat transfer efficiency and can withstand repeated heating and cooling without fatigue cracking.
- Chemical and Petrochemical Plants: SB171 C70600 Copper Nickel Tube is chemically stable and can withstand many acids and salts commonly found in process water without the need for coating.
Typical application areas of SB171 C70600 Copper Nickel Tube
- Marine industry: seawater cooling systems, ballast and bilge water systems, fire water pipelines, seawater desalination equipment (evaporators, condensers), etc.
- Power plants: steam condenser tubes, auxiliary cooling systems, heat exchangers, and feedwater heaters, etc.
- Offshore oil and gas: fire water distribution systems, seawater injection pipelines, offshore platform heat exchanger pipelines, etc.
- Chemical and petrochemical plants: brine coolers, sewage treatment systems, process heat exchangers using corrosive or brine, etc.
- HVAC and industrial cooling: chiller condensers using seawater cooling, district cooling systems in coastal areas, etc.
Chemical Composition
| Element | Copper (Cu) | Nickel (Ni) | Iron (Fe) | Manganese (Mn) | Lead (Pb) |
| Composition (%) | 88.6 - 90.4 | 9.0 - 11.0 | 1.0 max | 1.0 max | 0.05 max |
Mechanical Properties
(Typical values in annealed condition)
| Property | Tensile Strength | Yield Strength | Elongation (%) |
Hardness (HRB) |
Modulus of Elasticity | Density | Melting Range |
| Value | ≥ 275 MPa | ≥ 105 MPa | ≥ 30% | ≤ 80 | ~124 GPa | 8.94 g/cm³ | 1099–1149 °C |
Possible Alternative Grades
| Grade | Composition | Key Differences |
| C71500 | 70% Cu / 30% Ni | Higher strength and better erosion resistance |
| C70620 | 90/10 Cu-Ni with additives | Enhanced weldability, used in tube sheets |
| CuNi10Fe1Mn | EN Equivalent | European grade, similar performance |
| 316L Stainless Steel | Fe-Cr-Ni-Mo | Higher strength, but more prone to fouling |
Packaging
Once the pipes have passed all inspections and tests, they are ready for packaging. They are usually packaged in bales wrapped in plastic. The pipes can be bundled and ready for delivery according to customer requirements, ensuring that the pipes are protected during transportation and prevent surface damage.
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