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Originally Posted by tclederman
Originally Posted by climberman
So if I buy a mig that uses gas I will be able to weld anything in the future. What about thick metal.
No, it will not weld anything. What do you want to be able to weld?

Aluminum might be a problem.

Look at the thickness specifications for each mig welder. The specs for the HF welder you link-to above is 22 gauge to 1/4" for mild steel and stainless steel.

Exactly, as tclederman stated ya gotta read the spec's.

Climberman,

The HF (Or HHF as I call them, cause I "Hate Harbor Freight") welder you linked to above doesn't have external shielding gas capability. You want external shielding gas capability. Look at the Lincoln Electric link I posted above, it defines what GMAW (mig) vs. FCAW (flux core) capabilities are. The first sentence speaks volumes... thumbs_up

You are about to make the plunge and buy your first wire feeder welder and you don't want to waste your money on a toy that goes out with the trash in a few weeks

http://www.lincolnelectric.com/en-us/support/process-and-theory/Pages/mig-vs-flux-cored-detail.aspx