Introduction:
CUNI 2 wire, is a type of copper-nickel alloy with a composition of 98% copper and 2% nickel.
This alloy is known for its excellent resistance to corrosion,
particularly in marine environments, and it also exhibits good
thermal conductivity. Additionally, CUNI 2 wire is highly ductile,
making it easy to form and fabricate into various shapes.
This type of wire is commonly used in applications such as marine
and offshore systems, desalination plants, heat exchangers, and
various other industrial and commercial applications where
corrosion resistance, thermal conductivity, and durability are
important. CUNI 2 wire's properties make it well-suited for
demanding environments and critical applications.
Application:
Marine and offshore systems: CUNI 2 wire is frequently used in marine environments due to its
exceptional resistance to seawater corrosion. It is utilized in
applications such as seawater piping, heat exchangers, and
condensers on ships and offshore platforms.
Desalination plants: Due to its corrosion resistance and durability, CUNI 2 wire is
employed in desalination plants for components such as evaporators,
condensers, and piping systems.
Heat exchangers: The good thermal conductivity and corrosion resistance of CUNI 2
wire make it suitable for use in heat exchanger systems, including
those used in power plants and industrial processes.
Chemical processing: CUNI 2 wire is utilized in various chemical processing
applications where resistance to corrosive chemicals and solutions
is essential.
Offshore oil and gas platforms: The corrosion resistance and durability of CUNI 2 wire make it
suitable for use in offshore oil and gas platforms, including
piping systems and other critical components.
Advantage:
Corrosion resistance: CUNI 2 wire demonstrates outstanding resistance to corrosion,
particularly in marine environments and other settings where
exposure to seawater or corrosive elements is a concern. This makes
it a preferred choice for applications where protection against
corrosion is crucial.
Thermal conductivity: CUNI 2 wire exhibits good thermal conductivity, allowing efficient
heat transfer. This property is beneficial in applications such as
heat exchangers and other systems where thermal performance is
important.
Ductility and workability: CUNI 2 wire is highly ductile and can be easily formed and
fabricated into various shapes. Its malleability makes it suitable
for a wide range of manufacturing processes and applications.
Resistance to biofouling: In marine applications, CUNI 2 wire's resistance to biofouling,
the accumulation of microorganisms and marine life on submerged
surfaces, is advantageous.
Parameter:
Main Chemical composition (%)
| NC003 CuNi1 | Copper | Nickel | Manganese |
| Chemical | balance | 1% | 1~1.5% |
Physical Parameters:
| Type | Resistivity
(μΩ.m20°C) | Max working temperature
(°C) | Tensile strength
(Mpa) | Melting point
(°C) | Density
(g/cm) | TCR
(x10-6/°C)
(20~600°C) | EMF vs Cu
uV/°C
(0~100°C) | Elongation
(%) |
| CuNi2 | 0.05 | 200 | 220 | 1090 | 8.9 | ＜120 | -12 | 20~25% |
Type of product:
| Type | Size(mm) | others |
| Round wire | 0.1~8mm | Customized |
| Flat ribbon wire | W-0.5~5mm | T-0.1~3mm |
| Strip/foil | W-6~250mm | T-0.1~3mm |
| Rod | 8~200mm |
