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China factories

China factory - Jiangyin Chengxin Alloy Material Co., Ltd ，

Jiangyin Chengxin Alloy Material Co., Ltd ，

  • China,Changzhou ,Jiangsu
  • Verified Supplier
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China NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in
China NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in

  1. China NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in
  2. China NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in
  3. China NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in

NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in

  1. MOQ： 5 kg
  2. Price： TBD
  3. Get Latest Price
Payment Terms T/T, D/P
Supply Ability 30 Tons Per Day
Delivery Time 3 days
Packaging Details Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated.
Product name PTC Ni-Fe Alloy Wire NF43
Material Ni, Fe
Application Applicable to various electric heaters
Diameter 0.05 mm-30 mm
Brand Name Senphus
Model Number NF60
Certification SGS, ISO9001
Place of Origin Jiangsu, China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, D/P Supply Ability 30 Tons Per Day
Delivery Time 3 days Packaging Details Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated.
Product name PTC Ni-Fe Alloy Wire NF43 Material Ni, Fe
Application Applicable to various electric heaters Diameter 0.05 mm-30 mm
Brand Name Senphus Model Number NF60
Certification SGS, ISO9001 Place of Origin Jiangsu, China
High Light Temperature-Sensitive PTC Ni-Fe Alloy Wire ，NF60 PTC Ni-Fe Alloy Wire ，PTC Ni-Fe Alloy Wire

NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in Temperature-Sensitive Applications, Resistance 0.6

 

NF60 PTC Ni-Fe Alloy (Ni 45%-50%, Resistance: 0.6 Ω·mm²/m) is a nickel-iron alloy engineered for applications requiring precise thermal and resistive properties. Its Positive Temperature Coefficient (PTC) behavior ensures that resistivity increases with temperature, making it ideal for temperature-sensitive, overcurrent protection, and self-regulating heating systems.

 

With a resistivity of 0.6 Ω·mm²/m, the alloy is well-suited for moderate-resistance applications. Its high magnetic permeability and low coercivity make it effective in soft magnetic applications, including transformers, inductors, and magnetic shielding. Additionally, its thermal stability and good corrosion resistance ensure consistent performance and durability in demanding environments.

 

NF60 offers excellent ductility and machinability, allowing for easy fabrication into wires, strips, and other components. It is widely utilized in industrial heating systems, electronic sensors, magnetic components, and automotive applications.

 

This alloy provides a robust combination of thermal reliability, precise resistive characteristics, and magnetic efficiency, making it an ideal choice for industrial, automotive, and consumer electronic systems requiring stable performance under varying conditions.

 
Main Chemical Composition Wt.% NF60 PTC Ni-Fe Alloy % Ni Fe
Min 45  
Max 50 Bal.

 

Key features of PTC Ni-Fe alloy NF60 include:

  1. Positive Temperature Coefficient (PTC):

    • Exhibits increasing resistivity with rising temperature, enabling its use in temperature sensing, overcurrent protection, and self-regulating heating systems.

  2. Moderate Electrical Resistivity:

    • A resistivity of 0.6 Ω·mm²/m makes it suitable for applications requiring moderate resistance with reliable performance.

  3. Magnetic Properties:

    • High magnetic permeability and low coercivity ensure efficient performance in soft magnetic applications like transformers, inductors, and magnetic shielding.

  4. Thermal Stability:

    • Maintains stable electrical and magnetic properties over a broad temperature range, ensuring dependable operation in dynamic environments.

  5. Corrosion Resistance:

    • The nickel content enhances resistance to oxidation and corrosion, ensuring durability and reliability in harsh or humid conditions.

  6. Mechanical Versatility:

    • Excellent ductility and machinability allow easy fabrication into wires, strips, and other forms for diverse industrial applications.

  7. Wide Application Range:

    • Suitable for industrial heating systems, magnetic components, temperature-sensitive devices, and circuit protection systems.

  8. Balanced Nickel Content (45%-50%):

    • Provides an optimal balance between magnetic performance and resistive properties, making it versatile across different industries.

  9. Durable and Reliable:

    • Combines thermal reliability, corrosion resistance, and magnetic efficiency for long-term, dependable performance in critical applications.

NF60’s combination of precise resistivity, thermal stability, and magnetic efficiency makes it a preferred material for industrial, automotive, and electronic applications.

 

Applications:

  1. Temperature Sensing and Regulation:

    • Used in thermistors and temperature-sensitive resistors for precise temperature monitoring and control in industrial and consumer devices.

  2. Overcurrent Protection:

    • Functions as a current limiter in circuits, increasing resistance at higher temperatures to safeguard sensitive electronics from overcurrent damage.

  3. Self-Regulating Heating Elements:

    • Ideal for industrial and domestic heating systems where efficient and controlled heating is required, such as in heating pads, appliances, or de-icing systems.

  4. Magnetic Components:

    • Utilized in transformers, inductors, and chokes due to its high magnetic permeability and low energy losses in soft magnetic applications.

  5. Magnetic Shielding:

    • Provides shielding from magnetic interference for precision instruments, medical devices, and communication equipment.

  6. Industrial Heating Systems:

    • Employed in resistive heating components for furnaces, process equipment, and heat exchangers requiring thermal efficiency and stability.

  7. Automotive Applications:

    • Used in sensors, protection devices, and heating elements for automotive systems, ensuring reliable performance under varying temperature and environmental conditions.

  8. Consumer Electronics:

    • Found in safety devices, heating elements, and circuit protection components for appliances and electronic products.

  9. Renewable Energy Systems:

    • Supports power electronics in renewable energy systems, such as inverters and converters, by ensuring thermal and magnetic stability.

  10. Aerospace and Defense:

    • Applied in high-performance systems requiring thermal reliability, magnetic efficiency, and resistance to extreme operating conditions.

  11. Precision Instrumentation:

    • Suitable for sensing and control devices that demand consistent magnetic and resistive properties over a wide temperature range.

NF60's combination of PTC behavior, precise resistive characteristics, and magnetic efficiency makes it a versatile material for industrial, automotive, and electronic applications requiring reliability, stability, and efficiency.

 

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

 

Alloy brand 20℃ Resistivity The tolerance range
NF13 0.13 ±0.02
NF15 0.15 ±0.02
NF20 0.20 ±0.02
NF23 0.23 ±0.02
NF25 0.25 ±0.02
NF32 0.32 ±0.02
NF36 0.36 ±0.02
NF38 0.38 ±0.02
NF40 0.40 ±0.02
NF43 0.43 ±0.02
NF46 0.46 ±0.02
NF52 0.52 ±0.02
NF60 0.60 ±0.02

 

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

 

Alloy brand  Chemical element
 Ni % Fe %
NF13 85-95 Rest
NF15 75-85 Rest
NF20 70-75 Rest
NF23 60-65 Rest
NF25 60-65 Rest
NF32 50-55 Rest
NF36 50-55 Rest
NF38 50-55 Rest
NF40 50-55 Rest
NF43 45-50 Rest
NF46 45-50 Rest
NF52 45-50 Rest
NF60 45-50 Rest

 

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

 

Alloy brand 120℃ Temperature coefficient PPM The tolerance range PPM
NF13 4200 ±300
NF15 4400 ±300
NF20 4500 ±300
NF23 4800 ±300
NF25 4600 ±300
NF32 4200 ±300
NF36 3800 ±300
NF38 4000 ±300
NF40 3800 ±300
NF43 3400 ±300
NF46 3200 ±300
NF52 3000 ±300
NF60 2500 ±300

 

Mechanical properties (tensile strength)

 

Category Diameter range
mm		 Elongation rate
≥ %
Cold drawn wire 0.05 ＞ d ＜ 0.1 ≥ 18
0.1 ＞ d ＜ 0.3 ≥ 20
0.3 ＞ d ＜ 0.5 ≥ 20
0.5 ＞ d ＜ 1.0 ≥ 20

 

Size (diameter)

 

Alloy Code Diameter mm
Wire Rod Wire rod
NF13 0.05-8.0 12-30 8-14
NF15 0.05-8.0 12-30 8-14
NF20 0.05-8.0 12-30 8-14
NF23 0.05-8.0 12-30 8-14
NF25 0.05-8.0 12-30 8-14
NF32 0.05-8.0 12-30 8-14
NF36 0.05-8.0 12-30 8-14
NF38 0.05-8.0 12-30 8-14
NF40 0.05-8.0 12-30 8-14
NF43 0.05-8.0 12-30 8-14
NF46 0.05-8.0 12-30 8-14
NF52 0.05-8.0 12-30 8-14
NF60 0.05-8.0 12-30 8-14

 

Support and Services:

1. Technical Consultation

2. Product Selection

3. Time Guarantee

4. Warranty and After-Sales Support

 

Q&A:

1. Where can this product be applied?

This product can be used for overload protection. Due to the characteristics of the PTC thermistor, the resistance increases when the device is initially started or when the voltage abnormally increases, thereby protecting downstream devices.

 

2. How can I pay?

For initial collaborations, we accept T/T and D/P payment methods. However, payment methods may change depending on order volume and years of cooperation.

 

3. What is the minimum order quantity?

If the product is in stock, we can provide a single unit as a sample. If the product is not in stock, the minimum order quantity is 5kg.

 

4. How do you guarantee product quality?

We employ advanced manufacturing processes, with three quality inspections during production. We adhere to high-quality standards, consistent with Swedish KANTHAL, and have achieved ISO9001 certification.

 

5. What are your prices?

We welcome inquiries from our customers. The price of all products is determined by the purchase volume. Based on our market position in China, robust production capacity, and strict standards, our prices are generally lower for the same specifications and quantities.

 

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2003

  • Total Annual:

    230000000-240000000

  • Employee Number:

    1400~1500

  • Ecer Certification：

    Verified Supplier

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 pre... 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 pre...

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Get in touch with us

  • Reach Us
  • Jiangyin Chengxin Alloy Material Co., Ltd ，
  • Building 3, No. 29, Beitanghe East Road, Qinglong Street, Tianning District, Changzhou City, Jiangsu Province
  • https://www.heatingalloywire.com/

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