| Categories | Copper Nickel Alloy Wire |
|---|---|
| Brand Name: | TANKII |
| Model Number: | : constantan |
| Certification: | ISO |
| Place of Origin: | China |
| MOQ: | 20kg |
| Payment Terms: | T/T, L/C, Western Union |
| Supply Ability: | 60,000kg/Month |
| Packaging Details: | Wire diameter 0.02mm-1.0mm packing in spool, big than 1.0mm packing in coil |
| Application: | : Resistance |
| Conductor Type: | : Solid |
| Chemical Composition: | : Cu, Mn, Ni |
| Constantan wire resistivity: | : 0.48±0.03 |
| Series: | :CuNi(1,2,6,8,10,14,19,23) |
CuNi alloy Grade: Constantan, CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi40 (6J40), CuNi44.
Our product are in the form of wire, ribbon, strip, foil.
Constantan (CuNi44)
CuNi44, also called Constantan, has a very low temperature coefficient, high electrical resistance, high ductility and non-corroding properties. It is suitable for use at temperatures up to 600°C (1110°F). As a very malleable, very ductile alloy, it has a very good resistance to oxidation.
The alloy is non-magnetic. It is suitable for electrical resistors, potentiometers, heating wires, heating cables and mats. Ribbons are used for heating of bimetals. Another field of application is manufacturing of thermocouples because it develops a high electromotive force (EMF) in association with others metals
Constantan
Chemical Content, %
Ni | Mn | Fe | Si | Cu | Other | ROHS Directive | |||
Cd | Pb | Hg | Cr | ||||||
44 | 1.50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
Mechanical Properties
Max Continuous Service Temp | 400℃ |
Resisivity at 20℃ | 0.49±5%ohm mm2/m |
Density | 8.9 g/cm3 |
Thermal Conductivity | -6(Max) |
Melting Point | 1280℃ |
Tensile Strength,N/mm2 Annealed,Soft | 340~535 Mpa |
Tensile Strength,N/mm3 Cold Rolled | 680~1070 Mpa |
Elongation(anneal) | 25%(Min) |
Elongation(cold rolled) | ≥Min)2%(Min) |
EMF vs Cu, μV/ºC (0~100ºC) | -43 |
Micrographic Structure | austenite |
Magnetic Property | Non |
Manganin
Chemical Content, %
Ni | Mn | Fe | Si | Cu | Other | ROHS Directive | |||
Cd | Pb | Hg | Cr | ||||||
2~5 | 11~13 | <0.5 | micro | Bal | - | ND | ND | ND | ND |
Mechanical Properties
Max Continuous Service Temp | 0-100℃ |
Resisivity at 20℃ | 0.44±0.04ohm mm2/m |
Density | 8.4 g/cm3 |
Thermal Conductivity | 40 KJ/m·h·℃ |
Temp Coefficient of Resistance at 20 ºC | 0~40α×10-6/ºC |
Melting Point | 1450℃ |
Tensile Strength(Hard) | 585 Mpa(min) |
Tensile Strength,N/mm2 Annealed,Soft | 390-535 |
Elongation | 6~15% |
EMF vs Cu, μV/ºC (0~100ºC) | 2(max) |
Micrographic Structure | austenite |
Magnetic Property | non |
Hardness | 200-260HB |
Micrographic Structure | Ferrite |
Magnetic Property | Magnetic |
Resistance Alloy- Constantan Sizes / Temper Capabilities
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