Products Description

Copper-nickel resistance wire is a series of common resistance alloys, including different models such as CuNi1, CuNi2, CuNi6, CuNi8. These resistance wires are known for their stable resistance characteristics, good electrical conductivity and excellent mechanical properties. They are widely used in fields such as electrical engineering, electronic equipment, household appliances, industrial automation, aerospace and medical equipment. In various fields, copper-nickel resistance wire plays an important role and provides reliable support for the development of modern technology.

Specification

For more other size details, pls directly contact us.

Introduce

CuNi1 (Constantan, NC003)

Resistivity: low, about 0.03μΩ·m (20℃)

Operating temperature: up to 200°C

Features: Excellent corrosion resistance, good processing performance, suitable for manufacturing heating cables, snow melting cables and heating elements in low-voltage electrical appliances.

CuNi2

Nickel content: about 2%

Features: Higher nickel content than CuNi1 provides better corrosion resistance and mechanical properties, suitable for more harsh application environments.

CuNi6

Nickel content: about 6%

Features: The further increased nickel content enhances the material's seawater corrosion resistance and is suitable for corrosion-resistant parts in marine environments or chemical industries.

CuNi8

Nickel content: about 8%

Application: Usually used in applications requiring higher corrosion resistance and strength, such as marine equipment and resistance wires in certain special environments.

Common characteristics:

Corrosion Resistance: All these copper-nickel alloys have excellent corrosion resistance, especially in salty and sulfur-containing environments.

Processability: It has good processing performance and can be made into the required shape and size of resistance wire through various processes.

Stability: No phase change occurs during hot and cold processing, ensuring the consistency of the mechanical properties and corrosion resistance of the alloy.

Wide range of applications: In addition to being used for resistance wires and heating elements, it can also be used to manufacture chemical equipment, ship accessories, seawater desalination equipment, etc.

Application areas:

Electrical appliance manufacturing: such as thermocouples, resistors, low-voltage circuit breakers, etc.

Marine engineering: cooling systems of ships, fire piping of offshore platforms, etc.

Chemical industry: corrosion-resistant pipes, valves, heat exchangers, etc.

Heating equipment: heating cables, snow melting systems, heating elements for household appliances, etc.

Copper-nickel resistance wire achieves the resistance characteristics and corrosion resistance required in specific applications by precisely controlling the nickel content and other alloying elements, making it an indispensable material in electrical and industrial applications.