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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 |
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