heating from side to side and using thicker filler worked well. thx

thx for the tips.gonna try again this weekend

Hey everyone.I'm new in tig welding and i'm facing a problem welding aluminium tube 1.6mm thick.when i try to tack 2 tube ends together it melts through VERY fast.If i lower the current a little it takes eternity to make a puddle.my welder is transformer based and quite old.it doesnt have any fancy ...