1. Description
Cupronickel, also can be called copper nickel alloy, is an alloy of copper, nickel and strengthening impurities, such as iron and manganese. Â
Chemical Content(%)Â
Mn | Ni | Cu |
 | 2 | Bal. |
 Mechanical PropertiesÂ
Max Continuous Service Temp | 200 ºC |
Resistivity at 20ºC | 0.05 ± 10% ohm*mm2/m |
Density | 8.9Â g/cm3 |
Temperature Coefficient of Resistance | < 120  ×10-6/ºC |
EMF VS Cu (0~100ºC) | -12 μV/ºC |
Melting Point | 1090 ºC |
Tensile Strength | Min 220 Mpa |
Elongation | Min 25% |
Micrographic Structure | Austenite |
Magnetic Property | Non. |
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2. Specification
 Wire: Diameter: 0.04mm-8.0mm
 Strip: Thickness: 0.01mm-3.0mm
          Width: 0.5mm-120mm
3.UsageÂ
It could be used to make electric heating element in low-voltage apparatus, such as thermal overload relay, low-voltage circuit breaker, and so on.
4.FeaturesÂ
It has nice corrosion resistance, good malleability and solderability.Â
Â
5. Packing detailÂ
 1) Coil (plastic spool) + compressed ply-wooden case + palletÂ
 2) Coil (plastic spool) + carton + pallet Â
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6. Products and servicesÂ
1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
5). Fast delivery;
Copper Nickel Alloys
Those are alloys of chemical composition copper + nickel with addition of manganese with a low resistivity (from 231.5 to 23.6 Ohm. Mm2/ft).
The most known, CuNi 44 (also called Constantan) presents the advantage of a very low temperature coefficient.
Their advantages are the following:
Very good resistance to corrosion
Very good malleability
Very good solderability
Main grades and propertiesÂ
Type |
Electrical resistivity (20degreeΩ mm²/m) |
temperature coefficient of resistance (10^6/degree) |
Dens ity g/mm² |
Max. temperature (°c) |
Melting point (°c) |
CuNi1 | 0.03 | <1000 | 8.9 | / | 1085 |
CuNi2 | 0.05 | <1200 | 8.9 | Â 200 |
1090 |
CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
CuNi19 | 0.25 | <250 | 8.9 | 300 | 1135 |
CuNi23 | 0.30 | <160 | 8.9 | 300 | 1150 |
CuNi30 | 0.35 | <100 | 8.9 | 350 | 1170 |
CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
CuNi40 | 0.48 | ±40 | 8.9 | 400 | 1280 |
CuNi44 | 0.49 | <-6 | 8.9 | 400 | 1280 |

1. Description
Cupronickel, also can be called copper nickel alloy, is an alloy of copper, nickel and strengthening impurities, such as iron and manganese. Â
Chemical Content(%)Â
Mn | Ni | Cu |
 | 2 | Bal. |
 Mechanical PropertiesÂ
Max Continuous Service Temp | 200 ºC |
Resistivity at 20ºC | 0.05 ± 10% ohm*mm2/m |
Density | 8.9Â g/cm3 |
Temperature Coefficient of Resistance | < 120  ×10-6/ºC |
EMF VS Cu (0~100ºC) | -12 μV/ºC |
Melting Point | 1090 ºC |
Tensile Strength | Min 220 Mpa |
Elongation | Min 25% |
Micrographic Structure | Austenite |
Magnetic Property | Non. |
Â
2. Specification
 Wire: Diameter: 0.04mm-8.0mm
 Strip: Thickness: 0.01mm-3.0mm
          Width: 0.5mm-120mm
3.UsageÂ
It could be used to make electric heating element in low-voltage apparatus, such as thermal overload relay, low-voltage circuit breaker, and so on.
4.FeaturesÂ
It has nice corrosion resistance, good malleability and solderability.Â
Â
5. Packing detailÂ
 1) Coil (plastic spool) + compressed ply-wooden case + palletÂ
 2) Coil (plastic spool) + carton + pallet Â
Â
6. Products and servicesÂ
1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
5). Fast delivery;
Copper Nickel Alloys
Those are alloys of chemical composition copper + nickel with addition of manganese with a low resistivity (from 231.5 to 23.6 Ohm. Mm2/ft).
The most known, CuNi 44 (also called Constantan) presents the advantage of a very low temperature coefficient.
Their advantages are the following:
Very good resistance to corrosion
Very good malleability
Very good solderability
Main grades and propertiesÂ
Type |
Electrical resistivity (20degreeΩ mm²/m) |
temperature coefficient of resistance (10^6/degree) |
Dens ity g/mm² |
Max. temperature (°c) |
Melting point (°c) |
CuNi1 | 0.03 | <1000 | 8.9 | / | 1085 |
CuNi2 | 0.05 | <1200 | 8.9 | Â 200 |
1090 |
CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
CuNi19 | 0.25 | <250 | 8.9 | 300 | 1135 |
CuNi23 | 0.30 | <160 | 8.9 | 300 | 1150 |
CuNi30 | 0.35 | <100 | 8.9 | 350 | 1170 |
CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
CuNi40 | 0.48 | ±40 | 8.9 | 400 | 1280 |
CuNi44 | 0.49 | <-6 | 8.9 | 400 | 1280 |

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Item Display
Package Include
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