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Copper Tungsten (20%Cu-80%W) Alloy Rod Bar Per Kg Price
1.the applications of copper tungsten alloy rod :sealed cap for transistors sealing welder,contactor materials for highvoltage switches and electrodes for spark processing etc.
Commonly used copper tungsten alloy contains 10–50 wt.% of copper, the remaining portion being mostly tungsten. The typical properties of the alloy depend on its composition.
The alloy with less wt.% of copper has higher density, higher hardness and higher resistivity. The typical density of CuW90 alloy, with 10% of copper, is 16.75 g/cm3 and 11.85 g/cm3 for CuW50 alloy. CuW90 has higher hardness and resistivity of 260 HB kgf/mm2 and 6.5 µΩ.cm than CuW50.
Copper Tungsten Alloy Rod Applications:
· Arc contacts and vacuum contacts in high/medium voltage breakers or vacuum interruptors
· Electrodes in electric spark erosion (EDM) cutting machines
· Heat sinks for passive cooling of electronic devices
· Electrodes for resistance welding
| Composites | Density (g/cc) | Resistivity (20°C, μΩ.cm, ≤) | Conductivity (IACS%, ≥) | Hardness (HB Kgf/mm2 ≥) | Bending Strength (MPa≥) |
| CuW50 | 11.85 | 3.2 | 54 | 115 | --- |
| CuW55 | 12.3 | 3.5 | 49 | 125 | --- |
| CuW60 | 12.75 | 3.7 | 47 | 140 | --- |
| CuW65 | 13.3 | 3.9 | 44 | 155 | --- |
| CuW70 | 13.8 | 4.1 | 42 | 175 | 790 |
| CuW75 | 14.5 | 4.5 | 38 | 195 | 885 |
| CuW80 | 15.15 | 5 | 34 | 220 | 980 |
| CuW85 | 15.9 | 5.7 | 30 | 240 | 1080 |
| CuW90 | 16.75 | 6.5 | 27 | 260 | 1160 |
Copper Tungsten Alloy Rod Picture:
