# Some Properties of Cu Alloys

| The following table lists just a few of the existing Cu based alloys for specific uses.
Alloy | Essential Advantage | s 10– 4 S/cm 1) | Uses
--- | --- | --- | ---
Cu + 0,2% Ag | relatively hard | 57 | Collector lamellae
Cu + 0,5% Te | easy machinable | 55 | precision parts
Cu + 1,2% Cd | high strength | 52 | Overhead wires for trains
Cu + 0,6% Cr | can be hardened | 48 | Welding electrodes
Cu + 1,7% Be | can be hardened | 18 | Contact springs
| 1) S = Siemens = 1/W

With frame

2.3.1 General Applications

© H. Föll (Advanced Materials B, part 1 - script)