welding aluminum rod for tig help

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I am new to tig aluminum and i have a question of what rods to purchase. I have a few things I wanted to weld but I don't know what type of aluminum they are. One item is my dad walker other are car parts. So what rod should I use er4043 or er5356
Reply:5356 for the walker.4043 for the car parts.Weld like a "WELDOR", not a wel-"DERR" MillerDynasty700DX,Dynasty350DX4ea,Dynasty200DX,Li  ncolnSW200-2ea.,MillerMatic350P,MillerMatic200w/spoolgun,MKCobraMig260,Lincoln SP-170T,PlasmaCam/Hypertherm1250,HFProTig2ea,MigMax1ea.
Reply:Originally Posted by shovelon5356 for the walker.4043 for the car parts.
Reply:Ttt to the top
Reply:Here's a helpful chart.  Should probably be sticky: http://alcotec.com/us/en/support/upl...on_Chart-2.pdfTA Arcmaster 300CM3XMT 304S22P12 suitcase feederX-Treme 12VSOptima pulserTA161SMaxstar 150STLHypertherm PM45OP setupStihl 020AVP, 039, 066 Magnum
Reply:Originally Posted by Drf255Here's a helpful chart.  Should probably be sticky: http://alcotec.com/us/en/support/upl...on_Chart-2.pdf