Customization: | Available |
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Product Type: | Wire |
Material: | copper nickel alloy |
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1. Introduction for resistance wire
sometimes called cupro-nickels, there exists a range of different cooper nickel alloys that possess different properties and hence are suited to a range of different applications.
2. Products and services
1. CE and ROHS cerfication;
2. Small orders are accepted;
3. Factory direct sale;
4. Timely delivery;
5. Samples are available;
3. Features of CuNi resistance alloy wire
1. Good resistance to corrosion;
2. Good malleability performance;
3. Good heating resistance;
4. Easy to be processed and lead welded;
5. Constant resistivity over a wide range of temperatures;
6. constantan is characterized by good fatigue life and relatively high elongation capability .
4. Applications of CuNi resistance alloy wire
It is suilable for electrical resistors, potentiometers, heating wires, heating cables and underground heating mesh; braiding and shielding in flexible coaxial cable and communication cable, a variety of audio and video cable, vehicle signal cable, network cable, data transmission cables ang so on.
5. Size
Wire: 0.018mm-10mm
Ribbon: 0.05*0.2mm-2.0*6.0mm
Strip: 0.5*5.0mm-5.0*250mm
Bar: 10-100mm
6. When you inquiry, pls specify the details
1. Material and model of wire
2. Diameter, if strip, thickness and width;
3. Quantity;
4. Special requirement if you have.
Chemical Composition and Main Property of Cu-Ni Low Resistance Alloy | |||||||
Properties\Grade | CuNi1 | CuNi2 | CuNi6 | CuNi8 | CuMn3 | CuNi10 | |
Main Chemical Composition | Ni | 1 | 2 | 6 | 8 | _ | 10 |
Mn | _ | _ | _ | _ | 3 | _ | |
Cu | Bal | Bal | Bal | Bal | Bal | Bal | |
Max Continuous Service Temperature(ºC) | 200 | 200 | 200 | 250 | 200 | 250 | |
Resisivity at 20ºC (Ω*mm²/m) | 0.03 | 0.05 | 0.1 | 0.12 | 0.12 | 0.15 | |
Density(g/cm³) | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.9 | |
Thermal Conductivity(α×10-6ºC) | <100 | <120 | <60 | <57 | <38 | <50 | |
Tensile Strength(Mpa) | ≥210 | ≥220 | ≥250 | ≥270 | ≥290 | ≥290 | |
EMF vs Cu(μVºC)(0~1000ºC) | -8 | -12 | -12 | -22 | _ | -25 | |
Approximate Melting Point(ºC) | 1085 | 1090 | 1095 | 1097 | 1050 | 1100 | |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite | austenite | |
Magnetic Property | non | non | non | non | non | non | |
Properties\Grade | CuNi14 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNi44 | |
Main Chemical Composition |
Ni | 14 | 19 | 23 | 30 | 34 | 44 |
Mn | 0.3 | 0.5 | 0.5 | 1 | 1 | 1 | |
Cu | Bal | Bal | Bal | Bal | Bal | Bal | |
Max Continuous Service TemperatureºC) | 300 | 300 | 300 | 350 | 350 | 400 | |
Resisivity at 20ºC (Ω*mm²/m) | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | 0.49 | |
Density(g/cm³) | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
Thermal Conductivity(α×10-6ºC) | <30 | <25 | <16 | <10 | <0 | <-6 | |
Tensile Strength(Mpa) | ≥310 | ≥340 | ≥350 | ≥400 | ≥400 | ≥420 | |
EMF vs Cu(μVºC)(0~1000ºC) | -28 | -32 | -34 | -37 | -39 | -43 | |
Approximate Melting Point(ºC) | 1115 | 1135 | 1150 | 1170 | 1180 | 1280 | |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite | austenite | |
Magnetic Property | non | non | non | non | non | non |