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Discussion Starter · #1 ·
Can anyone explain the difference between AC and DC welding? I understand that AC gives a plasma arc and DC gives a good clean arc. Not exactly sure what a plasma arc is. Any info would be great. Thanks.
 

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Discussion Starter · #4 ·
hmm thanks but that just talked about what the current is doing. Already knew that but what is actually going on metalurgically? I need some in depth descriptions. Keep them coming.
 
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