The answer to your first question is yes, you can MIG weld thin gauge stainless steel in a short circuit mode with compact type 120V or 230V input power MIG welders (see example in Figure 1).
What is Lincoln Electric diamond core?
Diamond Core Technology™ delivers a wide voltage sweet spot across the welding range, low spatter levels and a forgiving arc on steel, stainless and aluminum – even for demanding out-of-position work. It's Spool Gun Ready, so it's fast and easy to tackle difficult aluminum applications.
Can a Lincoln 140 weld aluminum?
Requiring common 120 volt input power, the PRO MIG™ 140 can be used almost anywhere. With simple two knob control, the machine is easy to set up for gasless flux-cored welding for deep penetration on thicker steel or gas-shielded MIG welding on thin gauge steel, stainless or aluminum.
How many amps does a Lincoln 140 use?
Lincoln 140HD draws 35 Amps, trips breaker (should draw 20 Amps max)