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 NF23 |
| Material | Ni, Fe |
| Application | Applicable to various electric heaters |
| Diameter | 0.05 mm-8 mm |
| Brand Name | Senphus |
| Model Number | NF23 |
| 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 NF23 | Material | Ni, Fe |
| Application | Applicable to various electric heaters | Diameter | 0.05 mm-8 mm |
| Brand Name | Senphus | Model Number | NF23 |
| Certification | SGS, ISO9001 | Place of Origin | Jiangsu, China |
| High Light | Electric Blanket ferronickel wire ，PTC ferronickel wire ，Ferronickel ptc wire | ||
NF23 PTC Ni-Fe Alloy Ferronickel Wire For Electric Blanket, Resistivity 0.23
The product exhibits a resistivity of 0.23 at a temperature of 20°C, with a tolerance range of ±0.02.
The PTC Ni-Fe alloy NF23 is a nickel-iron alloy composed of approximately 65% nickel. Known for its positive temperature coefficient (PTC) properties, this alloy sees its electrical resistance increase as temperature rises, making it ideal for applications where temperature-sensitive resistance is needed. Ni-65’s combination of moderate electrical resistivity, thermal stability, and durability at high temperatures enables it to perform reliably in a range of industrial environments.
NF23 is widely used in applications such as temperature sensors, thermistors, and current-limiting devices, where it ensures precise thermal control and regulation. In addition to its thermal stability, it offers high corrosion and oxidation resistance, which makes it well-suited for harsh environments found in the automotive, aerospace, and industrial sectors. Its robust nature allows it to be employed in overcurrent protection devices, heating elements, and battery management systems, where consistent performance is required under demanding thermal conditions. NiF23’s features make it a versatile and reliable material for advanced thermal management and safety applications across multiple industries.
| Main Chemical Composition Wt.% NF23 PTC Ni-Fe Alloy | % | Ni | Fe |
| Min | 60 | ||
| Max | 65 | Bal. |
Key features of the PTC Ni-Fe alloy NF23 include:
Applications:
These applications highlight the versatility of NF23 alloy in industries where high-temperature performance, corrosion resistance, and catalytic efficiency are critical .
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. Can you provide free samples?
If the samples you need happen to be in stock, we can provide samples free of charge.
2. If we use custom products, will the price be higher?
Usually our prices are higher for special products, because it is related to production efficiency, but all prices depend on the quantity of the order.
3. What is the minimum quantity the customer can order?
If the stock of the required product is sufficient, we can provide a single copy as a sample, if the stock is insufficient, the minimum order quantity is 5kg.
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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