140 amp mig welders running on 115v power are best used for thin sheet metal and steel plate up to 3 16 in.
Welding sheet metal mig hobart 140.
Hobart handler 140 500559 the hobart handler 140 enjoys a strong reputation among welding hobbyists as a dependable user friendly mig welder.
You ll need multiple passes and a good 20 amp electrical circuit to weld thicker materials.
When welding mild steel a good rule of thumb is to set the amperage level at 1 amp for every 0 001 of thickness.
I keep it short and to the point in this welding instructional video and show how ve.
Get a decent mig welding machine preferably a good 115 volt mig welder like a hobart handler 140.
The hobart handler 140 mig is the best affordable mig welder for sheet metal.
Metal thickness amperage settings.
Learn why mig pulsed mig tig and pulsed tig are the ideal choices when welding sheet metal.
So if you are welding 12 gauge mild steel with a thickness of 0 100 you would set the machine at 100 amps.
This welding beast is that versatile.
It doesn t have a huge amperage range but it provides everything you need to mig weld sheet metal.
The hobart handler 140 is appropriate for welding thin material like stainless steel and aluminum.
Actually 115 volt mig welders are often the best choice for welding sheet metal and a hobart handler 140 has all the features needed to weld thin sheet metal or even up to thick steel.
With the hobart handler you will be capable of welding only 24 gauge items with inch thickness.
Learn how to mig weld automotive sheet metal in about 5 minutes or less.
It s one of the highest quality machines available and comes incredibly low priced.
When welding thin metal the main objective is to avoid warping burn through and excessive heat affected zones while still ensuring the weld has enough mechanical strength for the application.
