Well...I just had my first exposure to welding aluminum...using a Hobart Handler 140.....you need 100 % Argon gas...get the 120 cuft tank it is a better deal.....get the aluminum wire 5xxx...I forget the rest of the numbers......set your gas guage to deliver about 20 psi.....(I think that was psi.....too lazy to run to the shop to check).....in my welder I have 4 heat ranges....I used #2 and set the wire feed to 85 on a 100 scale.....also on the wire feed tension....use the lowest tension that still feeds the wire. You'll find that you can't linger when welding aluminum....you need to move smoothly and much faster then when welding steel. The experts tell you to look at the puddle....which is a bit tough when your MIG torch has a bend at the tip.
Last edited by ViperTX; 05-03-2006 at 02:11 PM.
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