WM1781 Tungsten-Copper (W-Cu) Electrodes

Catalog No.	WM1781
Material	Tungsten-Copper, W-Cu
Shape	bar ,rod, plate, ring, etc.
Diameter	Customized
Standard	ASTM B702

Much of the value of Copper Tungsten Electrodes are the result of the unique mechanical and physical properties of the materials: Copper’s high electrical conductivity and the wear resistance of tungsten make for a combination that optimizes manufacturability. SAM could provide the best quality customized W-Cu Electrodes for you.

INQUIRY

Description

Specification

Tungsten-Copper Electrodes Description

Tungsten-based composites are strong refractory metal materials manufactured by a strictly controlled process including pressing, sintering, and infiltrating with copper. The properties of Tungsten composites are influenced by the copper-to-Tungsten ratio. If the Tungsten content improves, the electric arc and wear resistance will increase while the thermal and electrical conductivity, on the contrary, will reduce.

tungsten-composite

Tungsten-Copper Electrodes Specification

Check the physical and mechanical properties below to choose the best tungsten copper electrode for your application.

Item#	composition	density(g/cm3)	hardness（HRB）	electric conductivity（%IACS)
30W70Cu	W:30%,Cu：70%	10.32	42	89
35W65Cu	W:35%,Cu：65%	10.66	50	82
40W60Cu	W:40%,Cu：60%	11.02	55	77
45W55Cu	W:45%,Cu：55%	11.42	61	73
40W60Cu	W:50%,Cu：50%	11.9	65	54
55W45Cu	W:55%,Cu：45%	12.5	70	49
60W40Cu	W:60%,Cu：40%	13.3	76	47
70W30Cu	W:70%,Cu：30%	13.9	82	44
75W25Cu	W:75%,Cu：25%	14.5	88	42
80W20Cu	W:80%,Cu：20%	15.2	100	38
85W15Cu	W:85%,Cu：15%	16.1	240HB	33
90W10Cu	W:90%,Cu：10%	16.9	260HB	28

Tungsten-Copper Electrodes Applications

Tungsten-Copper electrodes are suited to a wide range of high-speed, automated welding operations. For brazing copper and copper alloys, Tungsten-Copper electrodes offer excellent electrode heat balance for applications such as high-speed spot welding of wire harnesses for use in motors, automobiles, and anywhere complex or simple wire harnesses are used. Other applications include line switches for battery packs, as well as electrical components for manufacturing lines of circuit breakers and electrical switches.

Tungsten-Copper Electrodes Packaging

Copper tungsten electrodes are clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.

FAQs

Q1 How does Tungsten-Copper (W-Cu) compare to pure tungsten electrodes?

While pure tungsten electrodes are excellent for high-temperature resistance, they lack the superior thermal and electrical conductivity of W-Cu electrodes. The addition of copper enhances the heat dissipation and electrical performance, making W-Cu electrodes more suitable for applications that require both high conductivity and heat resistance, such as EDM or plasma arc welding.

Q2 How are Tungsten-Copper electrodes manufactured?
Tungsten-Copper electrodes are typically manufactured using a powder metallurgy process, which involves blending tungsten and copper powders in precise proportions, followed by pressing and sintering. This creates a composite material that combines the properties of both metals. In some cases, the electrodes are also produced using infiltration techniques, where copper is infiltrated into tungsten at high temperatures.

Q3 How long do Tungsten-Copper electrodes last?
A9: The lifespan of Tungsten-Copper electrodes depends on the specific application, the quality of the material, and the operating conditions. In high-performance applications like EDM, they tend to last longer than traditional materials due to their excellent thermal conductivity and resistance to wear.