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
Specification:
Diameter : 8mm To 100 mm
Density g/cm3 : 8.9 g/cm3
Temperature: 20 Degree C
Length : 8mm To 100 mm
Chemical Composition:
| Ni % | Cu % | |
| Nominal composition | 11.0 | Bal. |
Mechanical properties:
| 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 |
