18 years ago
I just found this group and think its great. I'm a
semi-professional welder. I've taken every form of welding courses
available and do some welding repairs at work from time to time. At
home I do alot of welding and fabricating. I own a Miller millermatic
250 wirefeed with spoolgun attachment and an old Airco Heliarc 150
ac/dc welder. Now for the question. I've used CO2/argon mix with my
wirefeed for has long has I've owned a mig welder. I remember from
school and the guy at the welding store saying that it produced better
looking welds. I've used straight CO2 at 2 different buddies house on
there wirefeed and thought it worked better then the mix. I was at my
welding store today and found out that a tank of CO2 will last about 3
times longer then the argon mix and it is $4.00 a tank cheaper.
So...... what is everyone using on there mig welder and does anyone
have any input on this?