TUNGSTENS ZIRCONIATED - ALUM WHITE 1.6MM
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Availability: 100 In stock, ready to be shipped!
Product Overview
Zirconiated tungsten electrodes, classified under AWS EWZr-1, are precision-engineered TIG welding electrodes composed of a minimum of 99.10% pure tungsten alloyed with 0.15% to 0.40% zirconium. This carefully balanced composition delivers an electrode that combines the arc stability of pure tungsten with the enhanced performance characteristics of zirconium alloying — making it a top choice for welders who demand consistent, high-quality results on AC-powered TIG welding applications.
Identified by their white color-coded tip per AWS/ANSI classification standards, EWZr-1 zirconiated tungsten electrodes are widely trusted in aerospace, aluminum fabrication, and general metalworking industries where weld purity and arc consistency are non-negotiable.
Key Features & Benefits
- Extremely Stable Arc Performance – Zirconiated tungsten electrodes produce a remarkably steady, well-focused arc, reducing arc wander and improving weld bead consistency across long welding runs.
- Superior Resistance to Tungsten Spitting – The zirconium alloy content significantly minimizes tungsten spitting and contamination of the weld puddle, resulting in cleaner, stronger welds with fewer inclusions.
- Retains a Balled Tip Under AC Current – Unlike straight tungsten, EWZr-1 electrodes maintain a smooth, rounded (balled) tip shape during AC welding, which supports stable arc starts and consistent heat distribution.
- High Resistance to Contamination – Ideal for applications where weld purity is critical, zirconiated tungsten resists picking up impurities during welding, making it a preferred option in industries with strict quality standards.
- High Current-Carrying Capacity – EWZr-1 electrodes offer current-carrying capability equal to or greater than thoriated tungsten (EWTh-2), allowing for efficient heat input without sacrificing arc control.
- Non-Radioactive Alternative – As a safer alternative to thoriated tungsten, zirconiated electrodes eliminate radioactive material handling and disposal concerns, making them a preferred choice for shops prioritizing operator safety.
Best Applications
Zirconiated tungsten electrodes (EWZr-1) are purpose-built for AC TIG welding and excel in the following applications:
- Aluminum and aluminum alloy welding
- Magnesium welding
- Aerospace and aircraft component fabrication
- Applications requiring high weld purity and minimal contamination
- Situations demanding a stable, balled electrode tip under alternating current
Important Usage Note
Zirconiated tungsten electrodes are recommended exclusively for AC welding and should never be used for DC welding under any circumstances. Using EWZr-1 electrodes on DC current can compromise arc performance, accelerate electrode degradation, and negatively affect weld quality. For DC TIG welding applications, consider thoriated (EWTh-2), ceriated (EWCe-2), or lanthanated (EWLa-1/EWLa-2) tungsten electrodes instead.
Technical Specifications
| Specification | Detail |
|---|---|
| AWS Classification | EWZr-1 |
| Tungsten Content | 99.10% minimum |
| Zirconium Content | 0.15% – 0.40% |
| Color Code (Tip) | White |
| Recommended Current Type | AC only |
| Current Capacity | Equal to or greater than thoriated tungsten |
| Radioactive | No |
Why Choose EWZr-1 Zirconiated Tungsten Electrodes?
For welders and fabricators working with aluminum, magnesium, or other AC-welded materials, zirconiated tungsten electrodes offer an unbeatable combination of arc stability, contamination resistance, and consistent tip geometry. Whether you're running a production welding line or performing precision aerospace fabrication, EWZr-1 electrodes deliver the reliability and weld quality your application demands.
Shop premium AWS EWZr-1 zirconiated tungsten electrodes today and experience the difference a stable, high-performance AC arc can make in your welding results.
