anyone have experience using the tig perfect with an old Lincoln square wave transformer machine?

The etched picture seems to show a weld "nugget" with penetration into the base metal. Am I misreading this photo or was a weld etched sample put in video by mistake? Or does the braze metal etch like that.

Working on customer built roll cage that was mig welded but he had a lot of starts on each weld and it doesn't look great. I would like to grind the majority of the weld down and then put a tig pass over the top. Would that be OK. I sure don't want to have to remove and replace the tubes. Any sugges...

I have seen a lot of race car related aluminum welds on thin material where the weld bead seems very wide or large , however burn through on the back side is non existent. Specifically on pit pal products ( utility trays and the like from 16 gage). How do they accomplish this. I would normally use w...

Retired engineer hobby welder street rod fabricator. Glad to join this forum. Have enjoyed videos and my weld finger!