CuNi Alloy CuNi4/NC007/C72150/2.0842 Copper-Based Heating Resistance Alloy Wire for Energy Conversion in Industrial and Residential Applications

CuNi Alloy CuNi4/NC007/C72150/2.0842 Copper-Based Heating Resistance Alloy Wire for Energy Conversion in Industrial and Residential Applications

CuNi4 is a copper-nickel alloy composed of approximately 96% copper and 4% nickel, often with small amounts of iron and manganese to enhance its mechanical and corrosion resistance properties. Known for its excellent resistance to corrosion, particularly in marine and industrial environments, CuNi4 is widely used in applications where components are exposed to seawater or aggressive conditions.

CuNi4 is valued for its versatility, durability, and performance in harsh environments, making it a preferred choice in marine and industrial applications.

Some key features of CuNi-4 include:

1. Corrosion Resistance: CuNi4 alloy exhibits good resistance to corrosion, especially in marine environments and freshwater systems. This is due to the presence of nickel, which enhances the alloy's ability to form a protective oxide layer that resists further corrosion
2. High Strength: The alloy has increased tensile strength compared to pure copper, which improves with the addition of nickel. This makes CuNi4 suitable for applications where high strength is required
3. Thermal and Electrical Conductivity: While the electrical and thermal conductivity of CuNi4 are lower than that of pure copper due to the presence of nickel, it still offers good conductivity properties, which are beneficial for applications involving heat exchangers and electrical components
4. Manganese Addition: Manganese is added to CuNi4 for deoxidation purposes. It improves casting characteristics, increases strength, and raises the softening temperature, which is beneficial for hot working and forming processes
5. Iron Content: Iron, when present in the alloy, increases corrosion resistance, particularly in fast-flowing seawater. It also contributes to age-hardening characteristics, allowing for further strengthening of the alloy through heat treatment
6. Age-Hardenable: CuNi4 alloy can be age-hardened, which means its strength can be increased through a heat treatment process. This is particularly useful for applications requiring high strength and resistance to stress corrosion cracking
7. Processing Characteristics: The alloy can be processed through various methods including hot and cold working and casting, making it suitable for a wide range of manufacturing processes
8. Aesthetic Appeal: CuNi4 alloy has an attractive light color, especially when it contains more than 15% nickel, which can be a desirable aesthetic feature in certain applications
9. Mechanical Properties: The alloy possesses superior mechanical properties over a wide range of temperatures, making it suitable for both low and elevated temperature applications
10. Wear Resistance: CuNi4 alloy also exhibits good wear resistance, which is beneficial for components that are subject to friction and abrasion

Applications:

• Marine Engineering: Tubes, pipes, valves, and fittings for seawater systems.
• Heat Exchangers and Condensers: Used in power plants, desalination, and chemical processing.
• Shipbuilding: Components requiring corrosion resistance and durability.
• Electrical Applications: Electrical connectors, resistive elements, and wiring.
• Coinage: Sometimes used in coins for its aesthetic and durable properties.
• Architectural Uses: Coastal cladding and roofing for corrosion resistance

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

Company Overview:

Jiangyin Chengxin Alloy Material Co., Ltd has more than 20 years of experience as the lead.ing alloy wire manufacturer in China. We offer a wide range of services from fine wire drawing toresistance wire manufacturing. Since the beginning, our specialty has been the quality and preci.sion of our products. We have the tightest tolerances and deliver within a few days to a fewweeks. As a result, we have become the leading alloy wire supplier in the industry.

Senphus Subsidiaries:

• Jiangyin Chengxin Alloy Material Co., Ltd.
• Jiangyin Senphus Electrical Materials Co., Ltd.
• Jiangsu Xiangcheng Supply Chain Management Co., Ltd.

Jiangyin Chengxin Alloy Material Co., Ltd.: With nearly 20 years of experience, Jiangyin Chengxin is a leading alloy wire manufacturer in China. We offer a wide range of services, from fine wire drawing to resistance wire manufacturing. Our specialty lies in the quality and precision of our products, achieving the tightest tolerances and delivering orders within days to weeks. As a result, we have established ourselves as the premier supplier of alloy wire in the industry.

Our product range includes:

• Copper-nickel alloys (CuNi1-CuNi44)
• Karma (Nikrothal L/Evanohm/Alloy 800)
• Manganin and Constantan
• Nickel-chromium alloys
• Thermocouple alloys (Type K, N, E, T, J)
• Thermocouple extension wire
• PTC thermistor resistance alloy
• Pure nickel wire and Monel alloy

These alloys are available in various forms, including wire, ribbon, stranded, and enamelled. Major applications include seat heating, underfloor heating, military projects, aerospace, household appliances, heating wire, mechanical and electrical plants, and temperature instruments. Our manufacturing processes are ISO 9001:2015 certified, and we specialize in fine and ultra-fine wire drawing, offering wire diameters from 0.025 mm (0.001") to 13 mm (0.51") in small batches, medium volumes, and mass production. We maintain a comprehensive quality inspection system, including in-house chemical analysis, chromatographic analysis, metallurgical analysis, pinhole tests, wire construction tests, and tension tests to ensure the highest quality standards.

Senphus Electrical Material Co., Ltd.: Founded in 2003, Senphus Electrical Material Co., Ltd. integrates research, manufacturing, and sales of electric heating alloys, heating cables, heating wires, and heating products. Leveraging over a decade of technical expertise in heating alloy wire, we have adopted advanced heating cable technology and machinery, successfully developing heating cables, temperature controllers, and temperature control systems suitable for building heating, pipe insulation, outdoor snow melting, wind power blade production, car seat heating, and healthcare applications.

The company is recognized as a high-tech enterprise in Jiangsu Province and a small giant enterprise in Jiangyin City, specializing in innovative technologies. We operate the "Wuxi Heating Cable Engineering Technology Research Center" and collaborate with experts from renowned domestic universities. Our portfolio includes 5 invention patents and over 30 utility model patents, showcasing our strong research and development capabilities.

With an annual output exceeding 1,000 tons of thermal alloy wire and an output value of approximately 105 million yuan, our products are well-received in markets such as the UK, Italy, Canada, Peru, and Spain. Our heating cables generate an annual output value of over 80 million yuan, with exports to Germany, Japan, the United States, Malaysia, Denmark, Brazil, and other countries.

The company has successfully passed multiple quality management system certifications, including IATF 16949, ISO 9001, ISO 14001 (Environmental Management System), and ISO 45001 (Occupational Health and Safety Management System). Our heating cables and related products have also obtained test reports from the Shanghai Cable Research Institute Test Center and received certifications such as UL (United States), VDE (Germany), CE (European Union), and RoHS.

Commitment to Quality: We adhere to the business commitment of "Reputation First, Quality First, Customer First" and uphold the quality policy of "Integrity-Based, Quality-Oriented, Excellent Service." We are dedicated to providing accurate products and professional services, and we look forward to collaborating sincerely with you to achieve mutual success.