Products Description
ASTM B111 C70600 Copper Nickel Tube
Advantages of ASTM B111 C70600 Copper Nickel Tube
- Strong Corrosion Resistance: C70600 copper-nickel tubing exhibits excellent resistance to corrosion from chlorides, sulfides, and other aggressive agents. Its continuous release of copper ions inhibits the attachment of marine organisms like barnacles, significantly extending the lifespan of ship cooling systems and desalination equipment.
- High Thermal Conductivity: C70600 copper-nickel tubing offers high thermal conductivity, with a heat transfer efficiency three times that of 304 stainless steel, significantly improving the energy efficiency of condensers and heat exchangers.
- Easy to Machine and Weld: C70600 copper-nickel tubing has a low hardness and excellent machinability, making it easy to bend, stretch, and form components of various shapes and sizes.
Applications of ASTM B111 C70600 Copper Nickel Tube
- Marine and Shipbuilding: Seawater cooling systems, bilge and ballast piping, fire water systems, etc.
- Desalination plants: Brine heaters and evaporators, seawater intake and distribution piping, etc.
- Power plants: Heat exchangers, feedwater heaters, etc.
- Chemical and Petrochemical industries: Chillers, heat exchanger piping, tube bundles in chemical reactors, and distillation systems, etc.
- Heat transfer equipment: Condenser and evaporator coils in chemical and marine systems, etc.
Chemical Composition
| Element | Copper | Nickel | Iron | Manganese | Zinc | Lead | Others |
| Composition (%) | 88.6 min | 9.0 – 11.0 | 1.0 – 1.8 | ≤ 1.0 | ≤ 1.0 | ≤ 0.05 | ≤ 0.3 |
Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation | Hardness | Density |
| Value | ≥ 275 MPa | ≥ 105 MPa | ≥ 30% | ≤ 65 | 8.9 g/cm³ |
Possible Alternative Grades
- C71500 (70/30 Copper-Nickel): Offers higher strength and better resistance in more aggressive seawater conditions.
- C12200 (Phosphorus-Deoxidized Copper): Suitable for non-marine, less corrosive environments; lower cost.
- 316L Stainless Steel: Higher mechanical strength and oxidation resistance in higher temperature or pressure applications.
- Titanium Grade 2: Superior corrosion resistance, especially in extreme chloride conditions, but at a significantly higher cost.
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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