JohnD Posted March 20, 2021 Share Posted March 20, 2021 (edited) I was MIG welding today, and for one line I could not get the torch as near as normal, for other struts nearby. So it was about an inch from the weld line. Along the weld, several times there was an intense flash of light, so bright that even through my helmet glass, I was dazzled. Never seen this before! What was happening? John Edited March 20, 2021 by JohnD Link to comment Share on other sites More sharing options...
RogerH Posted March 20, 2021 Share Posted March 20, 2021 could it be that the shield gas failed and you had a build up of atmospheric Oxygen. Roger Link to comment Share on other sites More sharing options...
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