A rare earth tungsten electrode is a tungsten electrode doped with a variety of rare earth element oxides, usually distinguished by a purple mark. It combines the excellent properties of rare earth elements to significantly improve the arc initiation performance, arc stability, and ablation resistance of the electrode. Rare earth tungsten electrodes exhibit excellent performance in both AC and DC argon arc welding, making them suitable for welding a variety of metal materials, especially in high-demand industrial fields.
Due to the addition of rare earth elements, these electrodes can stabilize arcing at lower currents while reducing melting loss and contamination of the electrode tips, improving service life and welding quality. Rare earth tungsten electrodes have good mechanical strength and thermal stability, and are suitable for automated welding equipment and high-frequency arcing technology, meeting the strict requirements of aerospace, nuclear industry and high-end manufacturing for welding processes.
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