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Varasto elektrodi materiaali W-cu Alloy w90cu10 volframikupari tanko tanko
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| Item Name | Stock electrode material W-cu Alloy w90cu10 tungsten copper bar rod price |
| Material | tungsten copper alloy, copper tungsten alloy |
| Dimensions | as request, All parts will be machined as customer's request or drawing. |
| Density | 11.85-16.75g/cm3 |
| Grade | W60Cu40, W65Cu35, W70Cu30, W75Cu25, W80Cu20, W85Cu15, W90Cu10 |
| Application | EDM&ECM electrodes, Machining other parts |
| Name | Chemical composition(%) | Physical properties | ||||
| Cu | Impurity | W | Density(g/cm)≥ | Hardness (HB)≥ | Resistivity(µΩ.cm)≤ | |
| Copper-tungsten(50) | 50±2.0 | ≤0.5 | allowance | 11.85 | 115 | 3.2 |
| Copper-tungsten(55) | 45±2.0 | ≤0.5 | allowance | 12.3 | 125 | 3.5 |
| Copper-tungsten(60) | 40±2.0 | ≤0.5 | allowance | 12.75 | 140 | 3.7 |
| Copper-tungsten(65) | 35±2.0 | ≤0.5 | allowance | 13.3 | 155 | 3.9 |
| Copper-tungsten(70) | 30±2.0 | ≤0.5 | allowance | 13.8 | 175 | 4.1 |
| Copper-tungsten(75) | 25±2.0 | ≤0.5 | allowance | 14.5 | 195 | 4.5 |
| Copper-tungsten(80) | 20±2.0 | ≤0.5 | allowance | 15.15 | 220 | 5 |
| Copper-tungsten(85) | 15±2.0 | ≤0.5 | allowance | 15.9 | 240 | 5.7 |
| Copper-tungsten(90) | 10±2.0 | ≤0.5 | allowance | 16.3~16.75 | 260 | 6.5 |
| High Specific Gravity (W94) | 6±2.0 | ≤0.5 | allowance | 16.8~17.2 | ||
| Grade | Chemical Composition % | Mechanical properties | ||||||
| Cu | Impurity | W | Density | Hardness | RES | Conductivity | TRS/ Mpa | |
| (g/cm3) | HB | ( cm) | IACS/ % | |||||
| W50Cu50 | 50+2.0 | 0.5 | Balance | 11.85 | 115 | 3.2 | 54 | --- |
| W55Cu50 | 45+2.0 | 0.5 | Balance | 12.3 | 125 | 3.5 | 49 | --- |
| W60Cu40 | 40+2.0 | 0.5 | Balance | 12.75 | 140 | 3.7 | 47 | --- |
| W65Cu35 | 35+2.0 | 0.5 | Balance | 13.3 | 155 | 3.9 | 44 | --- |
| W70Cu30 | 30+2.0 | 0.5 | Balance | 13.8 | 175 | 4.1 | 42 | 790 |
| W75Cu25 | 25+2.0 | 0.5 | Balance | 14.5 | 195 | 4.5 | 38 | 885 |
| W80Cu20 | 20+2.0 | 0.5 | Balance | 15.15 | 220 | 5 | 34 | 980 |
| W85Cu15 | 15+2.0 | 0.5 | Balance | 15.9 | 240 | 5.7 | 30 | 1080 |
| W90Cu10 | 10+2.0 | 0.5 | Balance | 16.75 | 260 | 6.5 | 27 | 1160 |
1. High density
2. Good machinability
3. High absorption capacity against x-rays
4. Harmless to the health
Application
1) Arcing contacts and vacuum contacts in high and medium voltage breakers or vacuum interrupters
2) Electrodes in electric spark erosion cutting machines
3) Heat sinks as passive cooling elements of electronic devices
4) Electrodes for Resistance Welding
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