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H.C. Starck WCu 75/25 Tungsten-Copper Composite Material

Category Metal , Metal Matrix Composite , Nonferrous Metal , Refractory Metal , Tungsten Alloy
Manufacturer H.C. Starck
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF H.C. Starck WCu 75/25 Tungsten-Copper Composite Material.pdf
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Material Notes:
Description of Product: Tungsten-copper composite materials are produced by copper infiltration of porous sintered tungsten. They are available with different copper contents (10 - 30 %). A thermal conductivity over 200 W/m K is producible.Range of Application: Switching contacts for high-voltage and medium-voltage, heat sinks for passive thermal management, electrodes for erosive processing.Information provided by H.C. Starck.
Physical Properties Metric English Comments
Density 14.7 - 15.3 g/cc
0.531 - 0.553 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 160 - 220

@Load 62.5 kg
160 - 220

@Load 138 lb
2.5 mm ball
Tensile Strength, Ultimate >= 400 MPa
>= 58000 psi
Modulus of Elasticity 240 GPa
34800 ksi
Thermal Properties Metric English Comments
CTE, linear 8.50 µm/m-°C

@Temperature 20.0 - 100 °C
4.72 µin/in-°F

@Temperature 68.0 - 212 °F
9.00 µm/m-°C

@Temperature 20.0 - 300 °C
5.00 µin/in-°F

@Temperature 68.0 - 572 °F
9.20 µm/m-°C

@Temperature 20.0 - 450 °C
5.11 µin/in-°F

@Temperature 68.0 - 842 °F
Thermal Conductivity 145 - 230 W/m-K
1010 - 1600 BTU-in/hr-ft²-°F
Component Elements Properties Metric English Comments
Copper, Cu 22 - 28 %
22 - 28 %
Tungsten, W 72 - 78 %
72 - 78 %
Electrical Properties Metric English Comments
Volume Resistivity 0.0000047 ohm-cm
0.0000047 ohm-cm
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