CuNi2 NC005 2.0802 CuNi Alloy With High Resistance To Oxidation And Corrosion In

Product Specification

CuNi2 NC005 2.0802 CuNi Alloy With High Resistance To Oxidation And Corrosion In Moist And Aggressive Environments

CuNi2 NC005 2.0802 Copper-Nickel Alloy Wire is a copper-nickel alloy composed of 2% nickel and 98% copper, providing a balance of corrosion resistance, high thermal and electrical conductivity, and good mechanical properties. The alloy is commonly used in applications where moderate corrosion resistance, good electrical properties, and strength are required, particularly in marine environments, heat exchangers, electrical components, and industrial equipment. CuNi2 NC005 2.0802 Copper-Nickel Alloy Wire is a versatile and durable material, offering excellent corrosion resistance in marine and industrial environments, as well as high electrical and thermal conductivity. Its strength and ductility make it ideal for wires, heat exchangers, electrical cables, and other applications requiring a reliable, corrosion-resistant material. While it may not be suitable for the most extreme high-temperature or highly acidic conditions, it performs exceptionally well in marine, chemical processing, and electrical systems. The alloy offers a good balance of cost-effectiveness and performance for many industries requiring durability, electrical conductivity, and resistance to corrosion.

Some key features of CuNi2 include:

• Composition:

Copper (Cu): 98% copper, providing excellent thermal and electrical conductivity, which makes the alloy suitable for various electrical and thermal applications.

Nickel (Ni): 2% nickel, which enhances corrosion resistance, strength, and durability in marine and chemical environments, improving the alloy’s overall mechanical properties.

Other Elements: Small amounts of elements like iron, manganese, and silicon may be present, which contribute to strength, resistance to oxidation, and formability.

• Corrosion Resistance:

Marine and Freshwater Resistance: CuNi2 is highly resistant to corrosion in seawater, making it ideal for marine applications, such as shipbuilding, heat exchangers, and marine hardware exposed to seawater or brine.

Chemical Resistance: The small amount of nickel in the alloy provides moderate resistance to mild acidic and alkaline environments, offering durability in chemical processing industries.

Biofouling Resistance: Its resistance to fouling and scaling makes it particularly well-suited for heat exchangers and cooling systems in aquatic environments.

• Mechanical Properties:

Tensile Strength and Ductility: CuNi2 offers a good combination of strength and ductility, making it suitable for wires, tubes, rods, and other components that require both structural integrity and formability.

Workability: It has good cold-working and hot-working properties, making it easy to draw into wire or form into other shapes for various industrial uses.

Fatigue Resistance: It resists fatigue and stress under mechanical loading, which is important for parts that experience vibration or thermal cycling.

• Electrical and Thermal Conductivity:

High Electrical Conductivity: CuNi2 alloy retains high electrical conductivity due to its high copper content, making it an excellent choice for electrical wiring, connectors, and cables where efficient electrical flow is needed.

Good Thermal Conductivity: The alloy's high copper content ensures good heat transfer in applications like heat exchangers, cooling systems, and radiators.

• Weldability and Fabrication:

Weldability: CuNi2 can be welded using common welding methods such as TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas). Special attention is required to control heat input during welding to avoid issues like grain growth or softening of the material.

Fabrication: The alloy is easily drawn into wire, formed into strips, sheets, and tubes, making it highly adaptable for manufacturing various components such as marine equipment, heat exchangers, and electrical conductors.

Applications:

• Marine Applications: The alloy’s corrosion resistance in seawater makes it ideal for use in shipbuilding, offshore installations, and marine components like heat exchangers, pipes, and valves.
• Heat Exchangers and Cooling Systems: CuNi2 is widely used in heat exchangers, cooling coils, and radiators, where good thermal conductivity and corrosion resistance are essential.
• Electrical Wiring: The alloy is suitable for electrical components, wires, cables, and connectors, particularly in applications where high electrical conductivity is important.
• Industrial Equipment: Commonly used in industrial equipment exposed to mild acidic or alkaline conditions, including chemical processing systems and food processing equipment.
• Plumbing Systems: Can be used in plumbing and heating systems where durability and corrosion resistance are necessary.

Advantages of CuNi2 NC005 2.0802 Copper-Nickel Alloy Wire:

• Excellent Corrosion Resistance: The alloy performs very well in marine environments and freshwater applications, as well as mild acidic and alkaline conditions, providing long-lasting durability in these environments.
• High Electrical and Thermal Conductivity: Due to its high copper content, it offers excellent electrical conductivity, making it ideal for electrical wiring, cables, and connectors.
• Good Strength and Ductility: Provides a good balance of strength and ductility, allowing for easy fabrication into wires, rods, or other components without compromising performance.
• Versatile Applications: Suitable for a wide range of applications in marine, chemical processing, electrical, and industrial sectors due to its combination of corrosion resistance, conductivity, and strength.
• Fabrication-Friendly: Can be easily welded, drawn, and processed into various shapes, making it highly versatile in manufacturing.

Main technical data

Technical data table

• Tolerance of ohm/m: ±5%
• Round wire: range from 0.04mm (0.0016″) to 12mm (0.4724″)
• Ribbon: range from 0.05mm (0.002″) to 6mm (0.2362″), Max ratio width : thickness = 10:1