Tungsten Copper alloy Bar

Tungsten Copper alloy Bar

Copper Tungsten and Tungsten Carbide Copper (CW55, CW60, CW65, CW70E, CW75, CW80)

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Product Details

Copper Tungsten and Tungsten Carbide Copper
(CW55, CW60, CW65, CW70E, CW75, CW80)

Describe:

Tungsten Metals’ copper tungsten alloys are commonly used in EDM electrodes and other electrical and electrical/thermal applications. They are also used for facing and inserts for flash and butt welding dies, projection welding electrodes, seam welding bearing inserts and facing for electro-forming and electro-forging dies.

Although they are somewhat more difficult to machine, tungsten carbide copper materials provide high mechanical properties and excellent resistance to erosion. They are commonly used in oil devices to protect the contact from oxidation.

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tungsten copper bar.jpgtungsten copper rod.jpg
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Advantages:

    High arc resistance combined with good electrical conductivity

    High thermal conductivity

    Low thermal expansion


Applications:

    Arc contacts and vacuum contacts in high/medium voltage breakers or vacuum interruptors

    Electrodes in electric spark erosion (EDM) cutting machines

    Heat sinks for passive cooling of electronic devices

    Electrodes for resistance welding


Copper Tungsten Alloy Chemical Composition & Properties Chart

Composition

 Density

gr/cc

IACS

Hardness

HB Kgf/mm2

Bend Strength

MPa

W55 Cu4512.3049 125-
W60 Cu4012.75
47140-
W65 Cu3513.344155-
W70 Cu3013.8
42175667
W75 Cu2514.538195
706
W80 Cu2015.15
34220736
W85 Cu1515.930240765
W90 Cu1016.75
27260804

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