CuNi8 NC012 C71500 The Optimal CuNi Alloy for Marine Environments High Corrosion Resistance and Good Mechanical Properties

CuNi8 NC012 C71500 The Optimal CuNi Alloy for Marine Environments High Corrosion Resistance and Good Mechanical Properties

CuNi8 is a copper-nickel alloy consisting of approximately 92% copper and 8% nickel, with trace amounts of iron and manganese. Known for its excellent corrosion resistance, particularly in marine and seawater environments, CuNi8 is highly durable and resistant to biofouling, erosion, and stress corrosion cracking. It also offers good mechanical properties, including moderate strength and good ductility, making it suitable for a wide range of applications.

CuNi8 is valued in industries requiring reliable, long-lasting materials in challenging environments, including marine, power generation, and chemical processing.

Main physical properties:

Some key features of CuNi-8 include:

• Corrosion Resistance: Exceptional resistance to seawater corrosion, biofouling, and stress-corrosion cracking.
• Good Mechanical Strength: Offers a balance of strength and ductility for various structural and mechanical applications.
• Thermal Conductivity: High thermal efficiency for heat transfer applications.
• Moderate Electrical Conductivity: Suitable for specific electrical components like resistance wires.
• Fabrication Ease: Excellent weldability and machinability for complex manufacturing needs.

Applications:

• Marine Industry: Piping, fittings, valves, and marine hardware.
• Heat Exchangers and Condensers: Tubing in power plants, chemical plants, and desalination systems.
• Shipbuilding: Components such as hull cladding and structural parts.
• Electronics: Electrical connectors, resistance wires, and conductive elements.
• Architectural Uses: Cladding and roofing in coastal environments.
• Coinage: Utilized for durable and corrosion-resistant coins.

CuNi8 combines corrosion resistance, durability, and thermal efficiency, making it suitable for demanding marine, industrial, and electrical applications.

​​​​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.