27% nickel clad copper was developed for use in applications where high temperatures, oxidizing, or corrosive atmospheres exist. It has electrical conductivity approximately 70% that of copper and the corrosion resistance of pure nickel. Nickel clad copper is produced to ASTM B-355 in sizes 20 AWG and finer. Enamel insulations are also an option. See the magnet wire insulation guide for film selections.
Nickel Clad Copper
|
Test Measurement |
27% Nickel Clad Copper |
|
Chemical Composition (by weight) |
27% nickel, balance copper |
|
Density |
0.321 lb/inᶟ |
|
Conductivity |
70% IACS |
|
Tensile Strength (annealed) |
55 kPSI |
|
Tensile Strength (hard drawn) |
85 kPSI |
|
Melting Point |
2012°F |
Applications of Nickel Clad Copper
Aircraft/Military
Airframe wiring for high temperature and severe environments, control circuits, fire zone circuits
Appliance
Lead wiring for high temperature or severe environments, infrared ovens, industrial heating
| Temperature (°F) | Resistance ( ohms per cir. mil ft. ) |
| 100 | 15.0 |
| 200 | 18.2 |
| 300 | 21.0 |
| 400 | 23.8 |
| 500 | 26.9 |
| 600 | 29.8 |
| 700 | 32.5 |
| 800 | 35.9 |
| 900 | 39.0 |
| 1000 | 42.3 |
| 1100 | 45.8 |
| 1200 | 49.3 |
| 1300 | 53.0 |
| 1400 | 57.5 |
Copper Clad Aluminum and Other Clad Metals Data
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