Large Diameter Tungsten Electrode

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Roger from the Oak Ridge National Labs contacted us looking for 1/2″ diameter tungsten electrodes…
If you’re not familiar with Oak Ridge, they are a

“multiprogram science and technology laboratory managed for the U.S. Department of Energy by UT-Battelle, LLC. Scientists and engineers at ORNL conduct basic and applied research and development to create scientific knowledge and technological solutions that strengthen the nation’s leadership in key areas of science; increase the availability of clean, abundant energy; restore and protect the environment; and contribute to national security.

ORNL also performs other work for the Department of Energy, including isotope production, information management, and technical program management, and provides research and technical assistance to other organizations.”

One can only guess what they’re welding up there!
Tungsten  Electrodes at
I’m pretty sure they contacted us because offers the widest variety of tungsten electrodes for TIG and Plasma Arc Welding applications. We offer quality brand names like ArcTime™ , Amplify™ MultiStrike™, SYLVANIA and Weldcraft® and all the popular blends like 2% Ceriated, 1.5% Lanthanated, 2% Thoriated, Pure Tungsten, Zirconiated Tungsten, Rare Earth blends and the new ArcTime Hybrid™ Electrodes.

We also stock (ready for immediate delivery) the most common diameters for welding from .040″ to 1/8″ Other diameters up to 1/4″ are usually available to ship in a couple of days.

But 1/2″ diameter tungsten electrodes– that’s a different story. For a request like that, we would need to quote a special run of 1/2″ diameter….

If you want to learn more about tungsten, check out the newest addition to the family,, a comprehensive resource website for information about tungsten, tungsten production, the properties of tungsten and specifically the use of tungsten electrodes in TIG and Plasma Arc Welding. And if you have special need for tungsten electrodes, use the handy Request A Quote form.


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