Customized Tungsten-Copper Alloys from China Suppliers - High-Quality Factory Products for Diverse Industrial Applications
Physical properties of tungsten and copper
| Properties | Density (g/cm³) |
Thermal expansion coefficient (10⁻⁶/℃) |
Heat conductivity (W/(m·K)) |
Thermal capacity (J/(kg·℃)) |
Modulus of Elasticity (GPa) |
Poisson's ratio | Melting point (℃) |
Strength (MPa) |
|---|---|---|---|---|---|---|---|---|
| Tungsten | 19.32 | 4.5 | 174 | 136 | 411 | 0.28 | 3410 | 550 |
| Copper | 8.93 | 16.6 | 403 | 385 | 145 | 0.34 | 1083 | 120 |
Specifications of WCu Alloy
| Code No. | Chemical Composition (%) | Mechanical properties | ||||||
|---|---|---|---|---|---|---|---|---|
| Cu | Impurity | W | Density (g/cm³) |
Hardness (HB) |
RES (µΩ·cm) |
Conductivity (% IACS) |
TRS (MPa) |
|
| CuW(50) | 50 ± 2.0 | 0.5 | Balance | 11.85 | 115 | 3.2 | 54 | - |
| CuW(55) | 45 ± 2.0 | 0.5 | Balance | 12.3 | 125 | 3.5 | 49 | - |
| CuW(60) | 40 ± 2.0 | 0.5 | Balance | 12.75 | 140 | 3.7 | 47 | - |
| CuW(65) | 35 ± 2.0 | 0.5 | Balance | 13.3 | 155 | 3.9 | 44 | - |
| CuW(70) | 30 ± 2.0 | 0.5 | Balance | 13.8 | 175 | 4.1 | 42 | 790 |
| CuW(75) | 25 ± 2.0 | 0.5 | Balance | 14.5 | 195 | 4.5 | 38 | 885 |
| CuW(80) | 20 ± 2.0 | 0.5 | Balance | 15.15 | 220 | 5 | 34 | 980 |
| CuW(85) | 15 ± 2.0 | 0.5 | Balance | 15.9 | 240 | 5.7 | 30 | 1080 |
| CuW(90) | 10 ± 2.0 | 0.5 | Balance | 16.75 | 260 | 6.5 | 27 | 1160 |
Products of our tungsten copper alloy
Tungsten copper alloy offered by Zhuzhou Jiuding Metal Technology Co., Ltd mainly include Tungsten Copper Alloy Heat Sink, Tungsten Copper Alloy Heat Spreader, Tungsten Copper Alloy Heat Base, Tungsten Copper Alloy Components, Tungsten Copper Alloy Electrical, Tungsten Copper Alloy Military, Tungsten Copper Alloy Bar, Tungsten Copper Alloy Rod, Tungsten Copper Alloy Tube, Tungsten Copper Alloy Brick, Tungsten Copper Ultra Thin Sheet, Tungsten Copper Alloy Wire etc. We also can manufacture various specifications of tungsten copper alloy.
Frequently Asked Questions (FAQ)
What are the primary advantages of Tungsten Copper (WCu) alloys?
Tungsten copper combines the high density, high hardness, and low thermal expansion coefficient of tungsten with the superior electrical and thermal conductivity of copper. This makes it exceptionally resistant to arc erosion, high temperatures, and thermal shock.
How do I select the right grade between CuW50 and CuW90?
Selection depends on your application priorities: higher copper content grades (like CuW50, CuW55) offer higher thermal and electrical conductivity, making them ideal for heat sinks and EDM electrodes. Higher tungsten grades (like CuW80, CuW90) provide superior hardness, mechanical strength, and arc resistance for heavy-duty electrical contacts and wear parts.
What are the typical industrial applications for WCu materials?
WCu alloys are widely used in electrical contactors, high-voltage circuit breakers, resistance welding electrodes, EDM (Electrical Discharge Machining) electrodes, electronic packaging, thermal heat spreaders for optoelectronics, and specialized military components.
Can you manufacture customized shapes and non-standard dimensions?
Yes, Zhuzhou Jiuding Metal Technology Co., Ltd can manufacture rods, bars, plates, sheets, tubes, blocks, and finished precision machined components according to your specific technical drawings, dimensions, and composition requirements.
How is Tungsten Copper alloy machined and processed?
Due to the hardness of tungsten, WCu alloys are typically machined using carbide tooling, PCD tools, grinding, and wire EDM cutting. Proper cooling and feed rates are recommended to achieve tight tolerances and high surface quality.
What quality control standards and certifications are applied?
All tungsten copper products undergo strict quality inspections including chemical composition analysis, density testing, conductivity testing, and ultrasonic flaw detection to ensure compliance with international industrial standards.