Widely used in machinery, electric power, electronics, metallurgy, aerospace and other industries
Application
high pressure switch ,circuit breaker arc contact vacuum contactor
EDM electrode
heat-resisting material
Heat sinks as passive cooling elements of electronic devices and Electronic packaging materials.
resistance welding electrode
Chemical Composition,Physical & Mechanical Properties of Tungsten-Copper Composites: |
Grade | chemical composition（weight%） | density | hardness | resistivity | conductivity | bending strength |
Cu | impurities ≤ | W | g/cm3 ≥ | HB Kgf/mm2 ≥ | μΩNaN ≤ | % ≥ | MPa ≥ |
W50/Cu50 | 50±2.0 | 0.5 | balance | 11.85 | 115 | 3.2 | 54 | -- |
W55/Cu45 | 45±2.0 | 0.5 | balance | 12.3 | 125 | 3.5 | 49 | -- |
W60/Cu40 | 40±2.0 | 0.5 | balance | 12.75 | 140 | 3.7 | 47 | -- |
W65/Cu35 | 35±2.0 | 0.5 | balance | 13.3 | 155 | 3.9 | 44 | -- |
W70/Cu30 | 30±2.0 | 0.5 | balance | 13.8 | 175 | 4.1 | 42 | 790 |
W75/Cu25 | 25±2.0 | 0.5 | balance | 14.5 | 195 | 4.5 | 38 | 885 |
W80/Cu20 | 20±2.0 | 0.5 | balance | 15.15 | 220 | 5 | 34 | 980 |
W85/Cu15 | 15±2.0 | 0.5 | balance | 15.9 | 240 | 5.7 | 30 | 1080 |
W90/Cu10 | 10±2.0 | 0.5 | balance | 16.75 | 260 | 6.5 | 27 | 1160 |