PTC Ni-Fe Alloy NF20 Wire In Electronics Aerospace And Automotive Industries

PTC Ni-Fe Alloy NF20 Wire Widely Used in Electronics Aerospace and Automotive Industries for its Exceptional Performance, Resistivity 0.20

The product exhibits a resistivity of 0.20 at a temperature of 20°C, with a tolerance range of ±0.02.

The PTC Ni-Fe alloy, commonly referred to as NF20, is a nickel-iron alloy comprising approximately 75% nickel. It exhibits unique properties that make it particularly suitable for use in temperature-sensitive and electronic applications, thanks to its positive temperature coefficient (PTC). As temperature increases, NF20 alloy’s resistance also rises, which is essential for applications needing precise thermal control and temperature-dependent resistance adjustments.

This alloy is valued for its high electrical resistivity, thermal stability, and corrosion resistance, making it ideal for producing components in electrical heating systems, such as resistors and thermistors, and for temperature sensors in various industries. Additionally, NF20’s durability in high-temperature and corrosive environments extends its application potential in demanding conditions, such as those found in aerospace, automotive, and industrial electronics.

Some key features of PTC Ni-Fe alloy NF20 include:

1. High Nickel Content (75%): With a high nickel content, NF20 provides excellent corrosion resistance, especially in harsh or high-temperature environments.
2. Positive Temperature Coefficient (PTC): This alloy’s resistance increases with temperature, making it ideal for applications where precise temperature monitoring or control is required.
3. High Electrical Resistivity: NF20’s resistivity remains stable even under fluctuating thermal conditions, ensuring consistent performance over a range of temperatures.
4. Thermal Stability: NF20 alloy can maintain its structure and resistive properties at high temperatures, making it suitable for use in demanding environments like industrial electronics.
5. Durability in Harsh Environments: Resistant to oxidation and corrosion, NF20 is well-suited for use in long-lasting applications in the aerospace, automotive, and energy sectors.
6. Magnetic Properties: The alloy has controlled magnetic properties, which are beneficial in applications requiring magnetic stability alongside thermal sensitivity.

Applications of PTC Ni-Fe alloy NF20 include:

• Thermoelectric Devices:
  • NF20 alloy is used in thermoelectric devices due to its positive temperature coefficient (PTC) effect, which allows for self-regulation of heat in response to temperature changes .
• Heating Elements:
  • The alloy's PTC properties make it suitable for use in heating elements, particularly in applications where precise control of heat output is required .
• Sensor Technology:
  • NF20 alloy can be employed in sensor technology, leveraging its temperature-dependent resistivity for temperature sensing and control .
• Automotive Industry:
  • In the automotive industry, the alloy is used for making components that require high-temperature strength and resistance to corrosive environments .
• Aerospace:
  • NF20 alloy is utilized in aerospace applications where its combination of strength, corrosion resistance, and temperature stability is beneficial .
• Microelectromechanical Systems (MEMS):
  • The alloy's magnetic properties and mechanical properties make it suitable for use in MEMS, including micromolds and electrodes .
• Electromagnetic Devices:
  • NF20 alloy finds application in electromagnetic devices such as transformers and inductors, due to its high saturation magnetization and low coercivity .
• Catalytic Converters:
  • The alloy's resistance to high temperatures and corrosive environments makes it suitable for use in catalytic converters within the automotive industry.

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Resistance Values and Naming Conventions for PTC Ni-Fe Alloy Wires

Chemical Composition of Different Models of PTC Ni-Fe Alloy Wire

Temperature Coefficients of Different Models of PTC Ni-Fe Alloy Wire

Mechanical properties (tensile strength)

Size (diameter)

Support and Services:

1. Technical Consultation

2. Product Selection

3. Time Guarantee

4. Warranty and After-Sales Support

Q&A:

1. What is the minimum order quantity?

The MOQ is 5kg, but if you need samples, please contact us.

2. What are the terms of payment?

We support T/T or D/P, but sometimes it depends on the order volume and the way of trade.

3. What are your service hours?

We will respond within 24 hours of receiving a message, whether on weekdays or holidays.

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.