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Sorry I shouldnt have used the term full penetration it is an issue of lack of fusion. With MIG when you first pull the trigger your depositing material right away, however the substrate isnt fully heated yet and doesnt allow full fusion. Do a sample weld and cut out your start and it will most likely fail. With Stick you strike your arc, pull away slightly and it preheats without deposition allowing full fusion right off the start.
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Well said!
Could the size of the machine be a factor also?
