Non-consumable Tungsten Electrode

Non-consumable tungsten electrode refers to rare earth tungsten electrode and tungsten electrodes, such as pure tungsten electrodes, thorium tungsten electrodes, cerium tungsten electrode, lanthanum tungsten electrode, yttrium tungsten electrode, composite electrode (Triad electrode). Non-MIG arc is that arc burn between non-consumable electrode (usually tungsten) and the workpiece, a inactive gas would flow around the welding arc which would not react with metal, and then it would form a protective hood, so that tungsten pole end, arc and weld pool and the metal which is already under a high temperature condition that would not contact with the air, preventing oxidation and the absorption of harmful gases. Thereby forming a compact welded joint whose mechanical performance is very good.

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