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[2] Because it does not become a component in the actual weld, tungsten electrodes are considered non-consumable (as opposed to the filler rod). It is however, not only a constant component, but a crucial factor in the TIG-welding process. For our steel purposes, 2 percent Ceriated (EWCe-2) tungsten, which is indicated with an orange marking, will be used. View Related Article
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