0.08-7.5mm Copper Nickel Alloy Electric Resistance CuNi14 Copper Wire
Product Introduction
CuNi14 wire, or copper-nickel alloy wire with 14% nickel content, is a metal material with excellent performance. It is composed of 86% copper and 14% nickel, has a high resistivity of about 0.49 μΩ·m, a temperature coefficient of resistivity between -50 and +50 ppm/°C, and can maintain a stable change in resistance value within a temperature range of 20°C to 100°C. This alloy wire has a tensile strength of 310 MPa, a yield strength of 145 MPa, an elongation of 25%, and a density of 8.9 g/cm³.
CuNi14 wire has good corrosion resistance, welding performance and processing performance, and is widely used in shipbuilding, aerospace, electronic appliances and other fields. For example, it is used in seawater piping systems of ships, connections of precision parts in aerospace, and wires of electronic equipment. It is also commonly used to manufacture heating resistor elements in low-voltage electrical appliances such as thermal overload relays and low-voltage circuit breakers, and as a key material in high-precision resistors and measuring instruments.
Size dimension range:
Wire: 0.01-10mm
Ribbons: 0.05*0.2-2.0*6.0mm
Strip: 0.05*5.0-5.0*250mm
NiCr series: Cr10Ni90,Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30
Parameter
-
| Type | Electrical resistivity
(20degreeΩ
mm²/m) | Max. temperature
(°c) | Tensil strength | Melting point
(°c) | Density(g/m3) | TCRx10-6/°c(20-600°c) | EMF VS Cu |
| CuNi1 | 0.03 | 200 | 210 | 1085 | 8.9 | ＜100 | -8 |
| CuNi2 | 0.05 | 200 | 220 | 1090 | 8.9 | ＜120 | -12 |
| CuNi6 | 0.10 | 220 | 250 | 1095 | 8.9 | ＜60 | -18 |
| CuNi8 | 0.12 | 250 | 270 | 1097 | 8.9 | ＜57 | -22 |
| CuNi10 | 0.15 | 250 | 290 | 1100 | 8.9 | ＜50 | -25 |
| CuNi14 | 0.20 | 300 | 310 | 1115 | 8.9 | ＜30 | -28 |
| CuNi19 | 0.25 | 300 | 340 | 1135 | 8.9 | ＜25 | -32 |
| CuNi23 | 0.30 | 300 | 350 | 1150 | 8.9 | ＜16 | -34 |
| CuNi30 | 0.35 | 350 | 400 | 1170 | 8.9 | ＜10 | -37 |
| CuNi34 | 0.40 | 350 | 400 | 1180 | 8.9 | ＜0 | -39 |
| CuNi44 | 0.50 | 400 | 420 | 1200 | 8.9 | ＜-6 | -43 |
-
Specific Applications
- Precision resistors: CuNi14 alloy is very suitable for manufacturing high-precision resistors and potentiometers due to its stable resistivity and low temperature coefficient. These components are used in electronic equipment to accurately control current and voltage.
- Low-voltage electrical appliances: Commonly used in low-voltage electrical products such as low-voltage circuit breakers and thermal overload relays, ensuring the reliability and stability of these devices in various environments.
- Heating elements: The low resistivity of CuNi14 alloy makes it an ideal material for manufacturing heating cables and heating elements, suitable for applications requiring precise temperature control, such as building heating and industrial heating systems.
- High-temperature sensors: In aerospace equipment, the high-temperature stability and high fracture toughness of CuNi14 alloy make it an ideal choice for manufacturing high-temperature sensors and resistance elements, ensuring reliability and safety in extreme environments.
- Marine monitoring equipment: Sensors and resistance elements used in marine monitoring equipment ensure accuracy and reliability in harsh environments.
- High-temperature pipes and containers: In chemical equipment, CuNi14 alloy can withstand high temperatures and high pressures, and is suitable for manufacturing important components such as pipes, containers and sensors, ensuring long-term stability in corrosive environments.
- Corrosion-resistant pipes: Used to manufacture corrosion-resistant pipes and fittings to ensure long service life in chemical media.
Advantages and Characteristics
- High tensile strength: The tensile strength is usually above 310 MPa, and the elongation is maintained above 30%, indicating that the alloy has good plasticity and can produce a certain deformation under stress without prone to brittle fracture.
- Stable high temperature performance: The heat resistance limit of CuNi14 alloy is as high as over 300℃. Even at extremely high temperatures, it can maintain the stability of its resistance and is suitable for applications in high temperature environments.
- Good processing performance: CuNi14 alloy has good plasticity, especially when drawn into wires and tubes, it can achieve more precise dimensional control. Through appropriate heat treatment methods, such as solution treatment and aging treatment, the microstructure of the alloy can be optimized and more ideal mechanical properties can be obtained.
- Good welding performance: CuNi14 alloy has excellent welding performance and can be connected by conventional welding methods. Welding will not significantly affect its electrical and mechanical properties. It is suitable for manufacturing complex electrical contact parts.
Contact Us
Email:fbwlau@cnrunlai.com
Oem service:
Welcome customized size
We are experience factory for OEM&ODM service
Support and Services:
Our Nichrome Alloy product comes with technical support and services to ensure optimal performance and customer satisfaction:
- Expert consultation on product selection and application
- Technical assistance for installation and maintenance
- Product testing and analysis for quality control
- Customized solutions for unique customer needs
- Training and education on product use and safety
We are committed to providing our customers with the highest level of support and service for our Nichrome Alloy product.
Packing and Shipping:
Product Packaging:
- The Nichrome Alloy product will be packaged securely in a durable cardboard box to ensure safe transport.
- The product will be wrapped in protective bubble wrap to prevent any damage during shipping.
- A label with the product name and details will be placed on the box for easy identification.
Shipping:
- The product will be shipped via a reputable courier service within 2 business days of receiving the order.
- Customers will receive a tracking number once the product has been shipped.
- Please allow 5-7 business days for delivery.
- If there are any issues with the product or shipping, please contact our customer service team for assistance.
Related Questions and Answers
Q: Where is CuNi14 wire mainly used?
A: It is used to manufacture high-precision resistors, sensors, etc.
Q: What are the characteristics of CuNi14 wire?
A: High resistivity, low temperature coefficient, corrosion resistance.
Q: What are the advantages of CuNi14 wire?
A: Stable resistance, high temperature resistance, good processability.
Q: What is the difference between CuNi14 wire and CuNi10 wire?
A: CuNi14 wire has higher resistivity and lower temperature coefficient.
Q: What are the physical properties of CuNi14 wire?
A: Density 8.9 g/cm³, resistivity 0.2 Ωmm²/m.
Q: Is CuNi14 wire corrosion-resistant?
A: Corrosion-resistant, especially in air.
