I am wanting to MIG weld a camper frame out of 6063 aluminum tubing (1”x1”, 1.5”x1.5”, 1.5”x2”, and 2”x4.5”). The tubing would be 1/8” wall thickness. I was planning on using a Lincoln 180 Easy MIG with a spool gun and 100% argon gas; I’m still working out what filler wire I need. But after talking ...