EWZr-1 (.3% Zirconiated)
Alloy Type: A5.12, TUNGSTEN Electrodes for Arc Welding, A5.12
EWZr-1 .3% zirconiated tungsten electrodes are used for radiographic-quality welding, where tungsten contamination must be minimized. Balls-up easily in AC applications, good arc starting and current capacity. This product is non radioactive.
Chemical Composition Requirements
AWS A5.12M/A5.12:2009
| Principle Oxide Addition | Mass Percent Oxide Addition | Impurities, Mass % | Tungsten, Mass % | Color Code |
| ZrO2 | 0.15-0.50 | 0.5 Max | Balance | Brown |