Products Description
Copper tungsten ring electrodes are made of Copper tungsten plate which is a pseudo alloy of copper and metallic tungsten. Due to the insolubility of copper and tungsten, this material is composed of distinct particles of one metal dispersed in a matrix of another metal.
Therefore, the microstructure is a metal based composite material, not a true alloy. It combines the properties of two metals with characteristics of high temperature resistance, erosion resistance, high thermal and electrical conductivity, and easy processing. It also has the ability to resist arc erosion, mechanical wear, and contact welding.
Copper Tungsten Ring electrodes have a very long service life. The main advantages include high wear resistance, excellent surface quality, and good processing performance.
features
Improved Durability: Tungsten improves the electrodes wear resistance enabling it to keep its form after extensive usage.
Sustained Excellent Conductivity: The copper enables adequate current circulation which is critical for accurate material removal in EDM.
Good Thermal Conductivity: The electrodes further prevent overheating during high velocity applications by eliminating heat.
High Strength: The electrodes withstand high temperatures allowing the machining of strong metals such as tungsten steel and stainless steel.
Corrosion Resistance: These materials protect from oxidation and deterioration resulting in longevity across different surroundings.
Low Thermal Expansion: The electrodes sustain their shape at high temperatures ensuring accurate machining.

applications
Electrical Discharge Machining (EDM): Copper-tungsten ring electrodes are widely used in EDM, especially for high-precision and complex-shaped machining. For example, they are ideal for processing hard materials like carbide and titanium carbide.
Resistance Welding: Due to their high melting point and good conductivity, copper-tungsten electrodes are also suitable for resistance welding, including spot welding and projection welding.
Aerospace & Automotive Industries: In these fields, copper-tungsten electrodes are used to machine high-performance components, such as engine parts and precision tools.
Semiconductor & Electronics Industry: They help produce electronic components requiring high precision and thermal management, such as heat sinks and IC packaging materials.
Precision Tool Manufacturing: These electrodes are used in making and dressing polycrystalline diamond (PCD) tools, like sharpening cutting blades.

Specification
|
Grade |
Chemical Composition % |
Mechanical properties |
||||||
|
Copper |
Impurity |
Tungsten |
Density |
Hardness |
RES( cm) |
Conductivity |
||
|
(g/cm3 ) |
HB |
IACS/ % |
TRS/ Mpa |
|||||
|
CuW(65) |
35+2.0 |
0.5 |
Balance |
13.3 |
155 |
3.9 |
44 |
|
|
CuW(70) |
30+2.0 |
0.5 |
Balance |
13.8 |
175 |
4.1 |
42 |
790 |
|
CuW(75) |
25+2.0 |
0.5 |
Balance |
14.5 |
195 |
4.5 |
38 |
885 |
|
CuW(80) |
20+2.0 |
0.5 |
Balance |
15.15 |
220 |
5 |
34 |
980 |
|
CuW(85) |
15+2.0 |
0.5 |
Balance |
15.9 |
240 |
5.7 |
30 |
1080 |
|
CuW(90) |
10+2.0 |
0.5 |
Balance |
16.75 |
260 |
6.5 |
27 |
1160 |
FAQ
Are you a factory or manufacturer?
A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.
Why is your product so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.
Do you do spot quality inspection or full inspection?
A: 100% full inspection for sure. All unqualified products are discarded.
How do you ensure your lead time?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Copper Tungsten Ring Electrode?
A: Depends on quantity, generally, no MOQ limit.
How to pay for it?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time?
A: around 7-20 days which depends on the quantity and production.
What is kind of the package?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo
What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.
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