Copper Tungsten(Cu-W)Electrode

Tungsten copper electrode introduction

Copper Tungsten is a pseudo-alloy composed of copper (Cu) and tungsten (W). It combines the beneficial properties of both metals, resulting in a material with unique characteristics. Copper tungsten is commonly used in various industries due to its excellent electrical and thermal conductivity, high melting point, and good mechanical properties.

The manufacturing process of copper tungsten typically involves powder metallurgy techniques. The powdered copper and tungsten are mixed in the desired ratios and then compacted under high pressure. The compacted material is subjected to a sintering process, where it is heated to a temperature below the melting point to bond the particles together. Additional processing steps, such as hot pressing or infiltration, may be employed to achieve specific properties and shapes.

Copper tungsten exhibits a range of desirable properties. Its high electrical and thermal conductivity make it suitable for applications requiring efficient heat dissipation and electrical conductivity, such as electrical contacts, heat sinks, and electrodes. The material also has excellent arc and wear resistance, making it ideal for electrical discharge machining (EDM) electrodes and spot welding electrodes. Copper Tungsten s high melting point and low thermal expansion coefficient make it suitable for use in high-temperature applications, including rocket nozzles and electrical connectors in aerospace and defense industries.

QSAMs copper tungsten products

As copper and tungsten shall not really melt together, Cu-W is produced by powder metallurgy. Due to the high electric conductivity and relatively high max. working temperature of this material, copper-Tungsten electrode is usually used in electric component, such as electrodes. QS Advanced Materials could supply both copper tungsten and silver tungsten in many shapes. As the place of where to buy tungsten copper material, QSAM is always glad to receive your inquiry and always welcome custom design with drawing.

Common composition of copper-Tungsten alloy

Composition wt. %	Density g/cm3	Hardness HB Kgf/mm2	Resistivity micro Ome*cm	IACS%	Bending strengthMpa
W50/Cu50	11.85	115	3.2	54	-
W55/Cu45	12.3	125	3.5	49	-
W60/Cu40	12.75	140	3.7	47	-
W65/Cu35	13.3	155	3.9	44	-
W70/Cu30	13.8	175	4.1	42	790
W75/Cu25	14.5	195	4.5	38	885
W80/Cu20	15.15	220	5	34	980
W85/Cu15	15.9	240	5.7	30	1080
W90/Cu10	16.75	260	6.5	27	1160

Tungsten copper packaging

Tungsten is stable in air and packed without vacuum seal, unless requested. Wooden crater is applied when the cargo is over weight.

*Mill report available for our tungsten electrode.

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