C70800 - CuNi11
Cu11 is a copper alloy (Cu alloy) with medium-low resistivity for use at temperatures up to 400°C (750°F). The alloy Cu11 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.
Specifications
| Diameter |
8mm To 100 mm |
| Density g/cm3 |
8.9 g/cm3 |
| Temperature |
20° C |
| Length |
8mm To 100 mm |
Chemical Composition
|
Ni % |
Cu % |
| Nominal composition |
11.0 |
Bal. |
Mechanical Composition
| Wire size |
Yield strength |
Tensile strength |
Elongation |
| Ø |
Rp0.2 |
Rm |
A |
| Mm |
MPa |
MPa |
% |
| 1.00 |
130 |
300 |
30 |
Physical Properties
| Density g/cm3 |
8.9 |
| Electrical resistivity at 20°C O mm2/m |
0.15 |
Temperature Factor of Resistivity
| Temperature°C |
20 |
100 |
200 |
300 |
400 |
| Ct |
1.00 |
1.035 |
1.07 |
1.11 |
1.15 |
Coefficient of Thermal Expansion
| Temperature°C |
Thermal Expansion x10-6/K |
| 20 – 100 |
16 |
Thermal conductivity
| Temperature°C |
20 |
| W m-1 K-1 |
60 |
Specific Heat Capacity
| Temperature°C |
20 |
| kJ kg-1 K-1 |
0.380 |
| Melting point °C |
1090 |
| Max continuous operating temperature in air °C |
400 |
| Magnetic properties |
The material is non-magnetic |
