Highly Conductive CuNi Alloy CuNi4/NC007/C72150/2.0842 For Electrical Components And Heating Elements

Highly Conductive CuNi Alloy CuNi4/NC007/C72150/2.0842 for Electrical Components and Heating Elements

CuNi4 NC007 C72150 2.0842 Copper-Nickel Alloy Wire is a copper-nickel alloy that contains approximately 4% nickel and 96% copper, with small amounts of other elements such as manganese, silicon, and iron. This alloy is recognized for its excellent corrosion resistance, especially in seawater and marine environments, as well as its moderate strength, good electrical conductivity, and thermal properties. The addition of nickel significantly improves its mechanical properties and resistance to corrosion. CuNi4 NC007 C72150 2.0842 Copper-Nickel Alloy Wire is a copper-nickel alloy with 4% nickel that provides excellent corrosion resistance, especially in marine environments. It is used in seawater piping, heat exchangers, cooling systems, and electrical components where a combination of moderate strength, good electrical conductivity, and corrosion resistance is required. CuNi4 is a versatile material that performs well in marine and industrial environments but may not be suitable for high-strength or high-temperature applications where more specialized alloys are required.

Some key features of CuNi-4 include:

• Composition:

Copper (Cu): 96% (provides excellent electrical conductivity, thermal conductivity, and formability).

Nickel (Ni): 4% (enhances corrosion resistance, particularly in marine environments, and increases strength).

Manganese (Mn) and Silicon (Si): Trace elements that contribute to strength, oxidation resistance, and improve workability.

Iron (Fe): Small amounts contribute to overall strength and resistance to wear.

• Corrosion Resistance:

Marine Environments: The 4% nickel content offers excellent resistance to seawater corrosion, making it ideal for marine applications like shipbuilding, offshore structures, and seawater cooling systems.

Chemical Resistance: It performs well in mildly acidic and alkaline environments, making it suitable for chemical processing applications and industrial piping.

Biofouling Resistance: CuNi4 alloy also has good resistance to biofouling, which is important in applications exposed to seawater and where marine organisms may accumulate on surfaces.

• Mechanical Properties:

Strength and Ductility: CuNi4 offers a good balance of strength and ductility, providing the ability to be drawn into wire or tubing while maintaining structural integrity.

Workability: The alloy is highly workable and can be cold-formed, hot-formed, or welded into different shapes without significant degradation of its properties.

Fatigue Resistance: It performs well under thermal cycling and mechanical stress, making it ideal for vibration-prone applications.

• Electrical and Thermal Conductivity:

Electrical Conductivity: CuNi4 retains good electrical conductivity, although it is slightly lower than pure copper, making it suitable for electrical wiring, connectors, and resistance-based applications.

Thermal Conductivity: While its thermal conductivity is also lower than pure copper, CuNi4 remains suitable for applications that require heat transfer, such as heat exchangers and cooling systems.

• Weldability and Fabrication:

Weldability: CuNi4 alloy is generally easy to weld using standard methods like TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas). However, the welding process must be carefully controlled to avoid overheating and avoid defects such as oxidation.

Formability: CuNi4 can be easily fabricated into wire, strip, sheet, and tube forms, making it versatile for use in various industrial and marine applications.

Applications:

• Marine Applications: CuNi4 is widely used in marine environments for seawater piping, heat exchangers, cooling systems, marine hardware, and offshore oil rigs.
• Chemical and Industrial Processing: Used in piping, tubing, valves, and chemical reactors where resistance to corrosion and wear is important, particularly in mildly acidic or alkaline environments.
• Electrical Components: Used in wires, connectors, resistors, and other electrical components that require moderate conductivity and corrosion resistance.
• Heat Exchangers: Suitable for heat exchangers and cooling systems that need good thermal conductivity and corrosion resistance in marine or industrial settings.

Advantages of CuNi4 NC007 C72150 2.0842 Copper-Nickel Alloy Wire:

• Excellent Corrosion Resistance: The 4% nickel content provides superior resistance to seawater corrosion, making it ideal for marine and offshore applications.
• Good Electrical and Thermal Conductivity: Provides efficient electrical and thermal conductivity, though slightly lower than pure copper, it is still effective in many applications.
• Moderate Strength and Ductility: Offers a good balance of strength and ductility, making it versatile and easy to fabricate.
• Resistance to Biofouling: Its resistance to biofouling makes it a valuable material for use in seawater-cooled systems and marine environments.
• Workability and Weldability: It is easy to fabricate, weld, and form into various shapes, suitable for numerous industrial and marine applications.

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.