erosion-resistant copper tungsten electrode
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Heavy Duty Tungsten Copper Inlaid Electrode #225

 
The heavy-duty tungsten copper inlaid electrode is designed for high-load resistance welding tasks where stable conduction and heat control are required. The electrode combines copper alloy and tungsten-based inserts to maintain consistent current flow and reliable mechanical strength. Its structure supports long operation cycles and steady welding performance across automated production lines used in appliance, automotive, and hardware manufacturing.
 
  • Material: chromium-zirconium copper + pure tungsten
  • Dimensions: 62*40*25mm
  • Manufacturing process: Mechanical processing + welding
  • Dimensional tolerance: Complies with the requirements of the customized drawings and national standards
  • Usage method: Upper and lower welding (lap welding)
 
Availability:
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Technical Parameters

Item

Specification

Material

Tungsten Copper + High-conductivity Copper Alloy

Structure

Inlaid tungsten copper insert

Dimensions

According to project requirements

Tolerance

Based on customer drawings or national standards

Manufacturing Process

CNC machining + precision welding

Surface Finish

Smooth surface with controlled roughness

Insert Design

Solid tungsten copper block inside copper seat

Application Method

EAA welding / lap welding

Thermal Load Capacity

Stable performance under high current

Customization

Shape, size, material grade optional

All parameters can be adjusted to specific welding needs.


Product Features

  • Durable Tungsten Copper Insert

    High melting resistance for long weld cycles

    Stable conductivity under repeated heating

    Low deformation under heavy welding pressure


  • Solid Inlaid Structure

    Inserted block design enhances strength

    Reduces wear on electrode working surface

    Supports frequent start-stop welding tasks


  • Accurate CNC Machining

    Tight dimensional consistency

    Seamless assembly with EAA welding heads

    Reliable batch quality control


  • Enhanced Heat Management

    Fast heat transfer reduces temperature rise

    Lowers risk of surface sticking

    Improves continuous welding stability


  • Flexible Customization

    Special sizes and geometries available

    Insert grade and copper alloy optional

    Engineering support for process matching


Applications

This electrode is suitable for resistance welding operations such as:

  • Motor and appliance component welding

  • Sheet metal assemblies

  • Hardware and connector fabrication

  • Automated high-current EAA welding lines

  • Metal parts requiring stable deformation contro


EAA Welding Process

EAA welding applies pressure and current through electrodes onto joined sheets. Heat forms at the interface while the electrode maintains consistent conduction.

Process Advantages:

  • Stable weld nugget formation

  • Efficient energy use

  • Suitable for high-volume automatio


Electrode Requirements:

Tungsten copper inlaid electrodes provide the hardness and conductivity required for the repeated compression and heating cycles common in EAA welding.


Customization Services

  • Dimension Adjustment

    Electrodes produced based on customer drawings or real sample measurements.

  • Shape Design

    Special inlay sizes, step structures, or block configurations available.

  • Surface Control

    Different surface finishing options for required contact resistance.


Technical Support

  • Electrode selection

  • Welding parameter guidance

  • Appliction suggestions


Delivery

  • Quick sample production

  • Stable supply for long-term orders

  • Batch quality traceability


Frequently Asked Questions (FAQ)

1. What is the advantage of using tungsten copper inlaid electrodes?

They offer heat resistance and low wear, supporting long welding cycles under heavy load.


2. Can you adjust the inlay size or copper alloy grade?

Yes, all inlay configurations can be customized based on welding requirements.


3. How long is the expected service life?

Service time varies by current and pressure but typically exceeds standard copper electrodes.


4. Do you support small batch customization?

Yes, from trial samples to full production, all order sizes are supported.


5. What materials can be welded with this electrode?

It is suitable for steel, stainless steel, nickel alloys, galvanized sheets, and similar metals.

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Tel:

+86-20-8423-9732

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Guangzhou Yizhunxing International Trade Co., Ltd. is deeply engaged in the field of customized precision electrodes for resistance welding. Since its opening in 2006, it has been widely recognized and trusted by many industry customers at home and abroad.

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