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Copper Nickel Resistance Alloy Wire Manufacturers

Copper nickel resistance alloy wire has lower electrical resistance, good mechanics ,ex-cellent welding and anti-corrosion properties. It's used to make the key components in the thermal overloaded relay, low resistance thermal circuit breaker, and the electrical appliances. It is also an important material for electrical heating cable.

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Danyang Haiwei Electrothermal Alloy Co., Ltd.
Danyang Haiwei Electrothermal Alloy Co., Ltd. is located in Lvcheng Town, Danyang City, Jiangsu Province, China. The company was established in 2010 based on the original company "Danyang Huakang Electric Heating Alloy Co., Ltd." and has been in operation for over 40 years. Since its expansion, the company's total area has reached 30,000 square meters. As China Copper-Nickel Resistance Alloy Manufacturers and Copper-Nickel Suppliers, the company has production lines for a series of products including FeCrAl, Kanthal, CuNi, NiCr, CuMn, Kangtong, Monel, Incoloy, Hastelloy, etc. We have equipped with advanced equipment and processes, capable of providing a complete product range from raw material melting, steel rolling, stretching, heat treatment to finished products and packaging. Standardization work and strict inspections run through every stage of the product. As Haiven people, we have always adhered to the goal of "building a first-class brand and a first-class enterprise". We uphold the spirit of "quality first, reputation foremost", providing customers with the highest quality products and competitive prices. Welcome new and old customers at home and abroad to visit and patronize. Let us achieve long-term win-win cooperation.
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Benefits of Copper-Nickel Resistance Alloy Wire in High-Temperature Applications

Copper-nickel resistance alloy wire is specifically engineered to offer exceptional thermal stability, making it highly reliable in high-temperature applications. In environments where temperatures fluctuate drastically, maintaining consistent electrical performance is critical. Copper-Nickel alloys are designed to resist the expansion and contraction that typically occurs at high temperatures. This means that Copper-Nickel resistance alloy wire can continue to perform without risk of distortion or degradation, ensuring reliable service for prolonged periods. Copper-Nickel resistance alloys also have a low coefficient of thermal expansion compared to other metals. This minimizes the strain that could otherwise lead to failure or malfunction in electrical components. At Danyang Haiwei Electrothermal Alloy Co., Ltd., we produce Copper-Nickel resistance alloy wire with a precisely controlled composition to ensure its thermal properties are optimized. This allows the wire to perform efficiently even in high-heat environments, making it ideal for applications such as heating elements and industrial furnaces where temperature consistency is essential for effective operation. Copper-Nickel alloys' excellent thermal stability allows them to handle rapid temperature changes, which is vital for industrial processes requiring frequent temperature adjustments. Our alloys remain stable without significant changes to resistance, ensuring that systems stay efficient and reliable without overheating or losing performance. This is particularly valuable for systems like electric heating and high-precision temperature control systems, where the need for precision is paramount.



One of the standout features of Copper-Nickel resistance alloy wire is its high melting point, which makes it suitable for use in extreme high-temperature environments. The melting point of Copper-Nickel alloys typically ranges between 1,150°C and 1,350°C, depending on the specific alloy composition, which is far superior to that of pure copper. This means that the Copper-Nickel resistance alloy wire produced by Danyang Haiwei Electrothermal Alloy Co., Ltd. can withstand the intense heat produced in many industrial and manufacturing environments, including electric heating and aerospace applications. The ability of Copper-Nickel resistance alloy wire to maintain structural integrity at such high temperatures allows it to be used in applications where other materials might fail or degrade. This includes industrial furnaces, kilns, and high-heat exchangers, where materials are exposed to direct flames or extremely high temperatures for extended periods. As the Copper-Nickel resistance alloy wire produced by Danyang Haiwei Electrothermal Alloy Co., Ltd. has a higher resistance to melting under extreme heat, it significantly extends the lifespan of components that use this material, reducing the frequency of maintenance and replacement. A high melting point means Copper-Nickel alloys are excellent at handling thermal shock, a common issue in industries like power generation and heating systems, where components are regularly exposed to rapid changes in temperature. The superior melting point of Copper-Nickel resistance alloy wire contributes to the reliability and performance of equipment, making it a preferred choice for many high-temperature applications.


Parameter Value Parameter Value
Composition Copper 90%, Nickel 10% Melting Point 1,250°C (approx.)
Density 8.9 g/cm³ Electrical Conductivity 40% IACS (International Annealed Copper Standard)
Tensile Strength 350 MPa Thermal Conductivity 25 W/m·K
Maximum Operating Temp 1,100°C Corrosion Resistance Excellent in marine & chemical environments


Copper-Nickel resistance alloys are known for their excellent corrosion and oxidation resistance, which is one of the main reasons why these materials are widely used in high-temperature applications. Corrosion resistance is crucial in industries such as marine, chemical processing, and power generation, where metals are exposed to harsh environmental conditions, including saltwater, chemicals, and high moisture levels. Copper-Nickel resistance alloy wire produced by Danyang Haiwei Electrothermal Alloy Co., Ltd. is particularly effective at withstanding such harsh environments. The presence of nickel in the Copper-Nickel alloy enhances its ability to form a protective oxide layer when exposed to heat and oxygen, preventing further oxidation. This oxide layer acts as a barrier that protects the wire from further damage, maintaining the structural and electrical properties of the material over time. This makes Copper-Nickel resistance alloy wire ideal for use in systems exposed to high temperatures in corrosive or oxidizing environments, such as exhaust systems, thermocouples, and industrial heating elements. For marine and offshore applications, where the materials face exposure to saltwater, copper-nickel alloys are highly effective at resisting galvanic corrosion, which is a common issue when different metals come into contact with water. By using Copper-Nickel resistance alloy wire, industries can ensure the longevity and safety of their equipment without frequent replacements due to corrosion or oxidation.



Copper is renowned for its electrical conductivity, and this property is maintained in Copper-Nickel alloys, making them an excellent choice for applications requiring efficient electrical conduction. While Copper-Nickel alloys don’t have the same level of conductivity as pure copper, they still offer a high degree of conductivity that makes them suitable for use in electrical applications such as heating elements and resistors. Copper-Nickel resistance alloy wire produced by Danyang Haiwei Electrothermal Alloy Co., Ltd. effectively balances conductivity with resistance, ensuring efficient operation in electrical heating systems. The electrical resistance of Copper-Nickel resistance alloy wire increases slightly with temperature, which is a desirable feature in heating applications. By increasing the resistance with temperature, Copper-Nickel alloys ensure that they heat up consistently and remain stable under varying electrical loads. This feature is particularly beneficial in industrial heating applications, where the ability to control and regulate heat output is essential. Copper-Nickel alloys are also used in thermocouples, where their conductivity helps to generate precise temperature measurements. In industrial processes that rely on exact thermal regulation, the reliable conductivity of Copper-Nickel resistance alloy wire ensures accurate data collection and control, leading to enhanced system performance and energy efficiency. At Danyang Haiwei Electrothermal Alloy Co., Ltd., we ensure our Copper-Nickel resistance alloy wire maintains its conductivity under various conditions, providing our customers with dependable and effective materials for electrical systems.



The durability and long service life of Copper-Nickel resistance alloy wire make it an ideal material for high-temperature applications. Many components exposed to high heat are subject to wear and tear, leading to a decrease in performance over time. However, Copper-Nickel resistance alloys are highly resistant to wear, fatigue, and thermal stress, which extends the life cycle of the materials used in industrial systems. By choosing Copper-Nickel resistance alloy wire from Danyang Haiwei Electrothermal Alloy Co., Ltd., customers benefit from a material that ensures consistent performance with fewer maintenance and replacement needs. In industries such as power generation and metalworking, where equipment undergoes repeated thermal cycles, the durability of Copper-Nickel alloys becomes increasingly significant. The alloy’s resistance to fatigue and its ability to retain structural integrity after repeated heating and cooling cycles ensures that Copper-Nickel resistance alloy wire maintains high performance, which reduces the likelihood of costly downtime. This makes it an essential material in critical applications, such as heat exchangers, boilers, and electrical heating systems, where failure is not an option. The long service life of Copper-Nickel resistance alloy wire also translates into cost savings for our customers. By investing in materials that require less frequent replacement, industries can reduce overall operating costs while maintaining operational efficiency. Our Copper-Nickel alloys are designed to withstand high-temperature environments for extended periods, providing a cost-effective solution for long-term use.



Copper-Nickel resistance alloys not only excel in thermal and electrical properties but also offer enhanced mechanical strength. This makes them especially suitable for applications where physical stress and pressure are present. Copper-Nickel resistance alloy wire produced by Danyang Haiwei Electrothermal Alloy Co., Ltd. is engineered to resist deformation under stress, which is an essential characteristic in industries where components are exposed to high mechanical loads alongside high temperatures. The alloy's strength allows it to withstand physical stresses, including bending, stretching, and compressing, without breaking or losing structural integrity. This is critical in applications like industrial furnaces and heating systems, where equipment is frequently subjected to mechanical stress due to heavy loads or thermal cycling. The superior mechanical strength of Copper-Nickel alloys ensures that components retain their functionality even in challenging conditions, reducing the likelihood of failure and enhancing the overall safety and reliability of the equipment. Copper-Nickel resistance alloys are resistant to embrittlement, a common issue in metals exposed to high temperatures for extended periods. By resisting this type of damage, Copper-Nickel alloys can maintain their mechanical properties longer, further extending the service life of components. Danyang Haiwei Electrothermal Alloy Co., Ltd. utilizes advanced techniques to enhance the mechanical properties of our Copper-Nickel resistance alloy wire, ensuring that our products provide the highest level of durability and performance.