moondustka
Active member
Correct Sinisa. All aluminium as an oxide film and this melts at just under 2000 degrees C and this is where the problem lies because the aluminium you're wanting to weld melts at 650 degrees C and this is why you need an inverter machine with AC as this is what does the 'cleaning'.
This site here has an awful lot of helpful information (not just for aluminium):
http://www.weldingtipsandtricks.com/tig-welding-aluminum.html
This site here has an awful lot of helpful information (not just for aluminium):
http://www.weldingtipsandtricks.com/tig-welding-aluminum.html