by Jason
(Dalzell, SC, USA)
Just bought a small 125 mig welder. I will be welding 3/16" steel. Should I use 90/10 or 75/25 shielding gas?
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I would go with the 75/25
smoother arc, less spatter, and you cant get into high amperage stuff anyway with a 125 mig.
otherwise the 90/10 would let you do some spray transfer mig for thick stuff.
thanks,
jody