H.C. Starck WCu 85/15 Tungsten-Copper Composite Material

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H.C. Starck WCu 85/15 Tungsten-Copper Composite Material
Categories:	Metal; Metal Matrix Composite; Nonferrous Metal; Refractory Metal; Tungsten Alloy
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.
Vendors:	Eagle Alloys Corporation is a leading supplier of quality metals and alloys. Our staff prides itself on working fast, efficiently and courteously to get you the information you need. Call (800) 237-9012 or visit www.EagleAlloys.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	16.1 - 16.7 g/cc	0.582 - 0.603 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	190 - 260 @Load 62.5 kg	190 - 260 @Load 138 lb	2.5 mm ball
Tensile Strength, Ultimate	>= 460 MPa	>= 66700 psi
Modulus of Elasticity	290 GPa	42100 ksi

Electrical Properties	Metric	English	Comments
Volume Resistivity	0.0000050 ohm-cm	0.0000050 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	7.20 µm/m-°C @Temperature 20.0 - 100 °C	4.00 µin/in-°F @Temperature 68.0 - 212 °F
	7.60 µm/m-°C @Temperature 20.0 - 300 °C	4.22 µin/in-°F @Temperature 68.0 - 572 °F
	8.00 µm/m-°C @Temperature 20.0 - 450 °C	4.44 µin/in-°F @Temperature 68.0 - 842 °F
Thermal Conductivity	135 - 210 W/m-K	937 - 1460 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English	Comments
Copper, Cu	13 - 17 %	13 - 17 %
Tungsten, W	83 - 87 %	83 - 87 %

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NHCST963 / 130852

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