30 Nov Replacing a tungsten electrode: How, When, and Why
One of the easiest, most commonly overlooked aspects to maintaining a high quality orbital weld is to change out the tungsten electrode. There are a few telltale signs that a tungsten should be replaced, and there are certain factors that will cause tungsten wear more quickly than others.
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Or, watch a video on the subject, including instruction on how to change out a tungsten.