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H.C. Starck WCu 80/20 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 80/20 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 15.3 - 15.9 g/cc
0.553 - 0.574 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 180 - 240

@Load 62.5 kg
180 - 240

@Load 138 lb
2.5 mm ball
Tensile Strength, Ultimate >= 440 MPa
>= 63800 psi
Modulus of Elasticity 280 GPa
40600 ksi
Thermal Properties Metric English Comments
CTE, linear 8.30 µm/m-°C

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

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

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

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

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

@Temperature 68.0 - 842 °F
Thermal Conductivity 140 - 220 W/m-K
972 - 1530 BTU-in/hr-ft²-°F
Component Elements Properties Metric English Comments
Copper, Cu 18 - 22 %
18 - 22 %
Tungsten, W 78 - 82 %
78 - 82 %
Electrical Properties Metric English Comments
Volume Resistivity 0.0000050 ohm-cm
0.0000050 ohm-cm
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