MIG Welder

[GregWeld]

Originally Posted by Rhino

Solid core wire requires the use of a shielding gas which is external to the filler material. The flux core wire burns the flux creating the shielding gas cloud. For this to happen the gas has to travel through the molten puddle causing a less attractive, and potentially more porous, weld. For anything that's going to be cosmetic (such as body panels) you'll want to use the gas. You can get by without using it, but it will make things much easier.

Basically -- FLUX CORE wire is for farmers in the field - not nice cars....

ROFLMAO... sorry - but it's true.