TANKII Uns C70260 CW111C Nickel Silicon Copper Tape Alloy CuNi2Si Foil Strip
C70260
C70260 refers to a specific alloy composition consisting of copper (Cu), nickel (Ni), and silicon (Si). This alloy is commonly used in various industries for its specific properties. Here are a few applications where CuNi2Si might be utilized:
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Electrical and Electronic Components: C70260 has excellent electrical conductivity and thermal stability, making it suitable for electrical connectors, terminals, switches, and circuit breakers.
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Heat Exchangers: Its high thermal conductivity and corrosion resistance make C70260 useful for heat exchanger tubes in applications such as power plants, chemical processing, and marine environments.
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Automotive Industry: C70260 is employed in automotive components like radiators, heat exchangers, and cooling systems due to its good heat transfer properties and resistance to corrosion.
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Aerospace Applications: The alloy's high strength, thermal stability, and resistance to oxidation make it suitable for aerospace applications, including heat exchangers, electrical connectors, and wiring.
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Marine and Offshore Industries: C70260's resistance to seawater corrosion makes it advantageous for marine equipment, such as condensers, valves, and piping systems.
Properties
- Excellent Corrosion Resistance: Highly resistant to corrosion in seawater and other harsh environments, making it suitable for marine applications.
- Good Strength: Provides high tensile strength and durability, even at elevated temperatures.
- Good Formability: Can be easily shaped and formed, making it versatile for various manufacturing processes.
- Thermal Conductivity: Maintains reasonable thermal conductivity, though lower than pure copper.
Applications
- Marine Engineering: Commonly used in shipbuilding, offshore structures, and piping systems due to its resistance to saltwater corrosion.
- Heat Exchangers: Suitable for applications that require efficient heat transfer and resistance to corrosion.
- Electrical Components: Used in connectors and terminals where good conductivity and corrosion resistance are needed.
Summary
C70260 is a robust copper-nickel alloy known for its excellent corrosion resistance, strength, and versatility, making it ideal for demanding marine and industrial applications
Grade
| Gr. | TK 70-260 |
| GB | BSi2-0.5 |
| ASTM | C70260 |
| ISO | CuNi2Si |
| JIS | — |
| chemical composition | |
| Ni | 2 % |
| Si | 0.5 % |
| Cu | Rem. |
Physical properties
| Density | 8.85 | g/cm3 |
| Conductivity @ 20°C | 49 | % IACS |
| Conductivity @ 20°C | 28 | MS/m |
| Thermal conductivity @20°C | 190 | W/(m•K) |
| Specific heat | 0.399 | J/(g•K) |
| Elastic Modulus | 132 | GPa |
| Poisson's ratio | 0.33 | |
| Thermal expansion coefficient | 17 | 10-6/ K |
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