Achemetal Tungsten & Molybdenum Co., Ltd.
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Best selling customized EDM Tungsten Copper Electrode for sale
Product description
Tungsten copper material is an alloy of tungsten and copper, which has integrated the advantages of tungsten and copper, features high-temperature resistance, arc erosion resistance, high strength, large specific gravity, electric conduction, good heat conduction, easy cutting and transpiration cooling properties, and can be widely applied to machinery, power, electronics, metallurgy, aerospace and other industries when used as vacuum contact materials, electrode materials, electronic packaging materials as well as materials for rockets, guided missiles and other special purposes.
Due to the adoption of isostatic press molding - high-temperature sintering tungsten framework - copperizing process, our company can produce various large specially-shaped parts with the copper content of 6-90%. Our products feature high purity, uniform texture and excellent properties. Due to the adoption of compression molding, extrusion molding and injection molding, we can produce various sheets, rods, pipes, plates and small products in complicated s shapes.
Tungsten-copper alloy electrodes are formed by combining high-purity tungsten powder with high-purity high-plasticity high-conductivity copper powder and then carrying out static pressure molding and high-temperature sintering.
Product specifications
Main indexes of tungsten-copper material
| Grade | Density g/cm³ | Electric conductivity %IACS | HB MPa | Dimensions mm |
| WCu50 | 11.9~12.3 | ≥55 | 1130~1180 | Tube: Ø3~390 Length<500 Sheet: Width<390 Length<500 Special type: Width<390 Length<500 |
| WCu40 | 12.8~13.0 | ≥47 | ≥1375 | |
| WCu30 | 13.8~14.4 | ≥42 | ≥1720 | |
| WCu20 | 15.2~15.6 | ≥34 | ≥2160 | |
| WCu10 | 16.8~17.2 | ≥27 | ≥2550 | |
| WCu7 | 17.3~17.8 | ≥26 | ≥2900 |
Properties of W-Cu electronic packaging materials with different components
| Material components(wt%) | W-10Cu | W-15Cu | W-20Cu | W-25Cu | W-30Cu |
| Specific gravity(g/cm³) | 17.1 | 16.4 | 15.5 | 14.8 | 14.2 |
| Thermal conductivity(W/m·K) | 191 | 198 | 221 | 235 | 247 |
| Thermal expansion coefficient (×10-6/K) | 6.3 | 7.1 | 7.6 | 8.5 | 9.0 |
Product detail
Advantages:
As electric spark molding electrodes, they have the following advantages:
1. High hardness, low consumption, reduction in electrode length;
2. High electric conductivity, high processing speed;
3. High hardness and high electric conductivity: tungsten-carbon steel materials of which common copper cannot discharge electricity can be smoothly machined;
4. High tensile strength: it is suitable for processing products in complicated shapes;
5. The integrity of copper workpieces can be kept even in long-term discharge, so the molds are high in precision;
6. Uniform texture, small contact surface losses;
7. High stability during high-speed operation;
Our company can manufacture specially-shaped tungsten-copper materials of various dimensions according to the requirements of customers. The copper content of electrodes can be adjusted between 15% and 45% according to the requirements of customers.
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