H.C. Starck WCu 85/15 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 85/15 Tungsten-Copper Composite Material.pdf
Price	EMAIL US sales@lookpolymers.com

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	16.1 - 16.7 g/cc	0.582 - 0.603 lb/inÂ³

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

Thermal Properties	Metric	English
CTE, linear	7.20 Âµm/m-Â°C @Temperature 20.0 - 100 Â°C	4.00 Âµin/in-Â°F @Temperature 68.0 - 212 Â°F
	7.60 Âµm/m-Â°C @Temperature 20.0 - 300 Â°C	4.22 Âµin/in-Â°F @Temperature 68.0 - 572 Â°F
	8.00 Âµm/m-Â°C @Temperature 20.0 - 450 Â°C	4.44 Âµin/in-Â°F @Temperature 68.0 - 842 Â°F
Thermal Conductivity	135 - 210 W/m-K	937 - 1460 BTU-in/hr-ftÂ²-Â°F

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

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

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