Jiangyin Chengxin Alloy Material Co., Ltd ，
| 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 NF32 |
| Material | Ni, Fe |
| Application | Applicable to various electric heaters |
| Diameter | 0.05 mm-8 mm |
| Brand Name | Senphus |
| Model Number | NF36 |
| Certification | SGS, ISO9001 |
| Place of Origin | Jiangsu, China |
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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 NF32 | Material | Ni, Fe |
| Application | Applicable to various electric heaters | Diameter | 0.05 mm-8 mm |
| Brand Name | Senphus | Model Number | NF36 |
| Certification | SGS, ISO9001 | Place of Origin | Jiangsu, China |
| High Light | ODM nickel alloy wire ，PTC nickel alloy wire ，PTC nickel coated wire | ||
NF36 Nickel Content 50-55 PTC Ni-Fe Alloy Wire Rod For Electric Heating Blanket,Resistance 0.36
The product exhibits a resistivity of 0.36 at a temperature of 20°C, with a tolerance range of ±0.02.
PTC Ni-Fe alloys NF36 with nickel content ranging from 50% to 55% are specialized nickel-iron alloys known for their positive temperature coefficient (PTC) properties. As temperature increases, the electrical resistance of these alloys also rises, making them highly effective for applications that require temperature-sensitive behavior and self-regulating thermal management. With a moderate level of electrical resistivity, these alloys provide reliable, stable performance across a broad temperature range.
The PTC Ni-Fe alloys NF36 are widely used in temperature sensors, thermistors, and self-regulating heating elements, where their ability to respond predictably to temperature changes is crucial. The alloys’ resistance to oxidation and corrosion enhances their durability, allowing them to perform well in challenging environments like those found in automotive, aerospace, and industrial applications.
In addition, these alloys are employed in overcurrent protection devices and current-limiting components, where their temperature-responsive resistance helps safeguard circuits by automatically adjusting current flow at high temperatures. They are also used in battery management systems to maintain safe operating temperatures. The thermal stability, corrosion resistance, and self-regulating properties of these Ni-Fe alloys make them adaptable and valuable materials for applications that demand reliable thermal control and protection.
| Main Chemical Composition Wt.% NF36 PTC Ni-Fe Alloy | % | Ni | Fe |
| Min | 50 | ||
| Max | 55 | Bal. |
Some key features of NF36 include:
Applications:
These applications take advantage of the alloy’s PTC behavior, thermal stability, and corrosion resistance, making it suitable for various industries where reliable thermal regulation and protection are essential.
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. What is the minimum order quantity?
The MOQ is 5kg, but if you need samples, please contact us.
2. Are your products safe and environmentally friendly?
Our products have passed the SGS test report, for the European Chemicals Agency and WTO concern SVHC content below the specified 0.1%, and passed the ISO9001 quality system certification.
2. How to choose products with different diameters and resistivity
We have product experts who are familiar with the use of the scenario to help determine the product, you can send email or contact us via chat software.
Company Details
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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