sorry for takeing so long to get back to use guys . had a busy week. im a portable welder , work off the bed of my truck i run my machine on dc ,i have ran my amps on 90- 110 for the root pass. i have tried 4-8 sch 40 carbon pipe. oh and im in cali. i have only had 1/8 electrodes for the time being ...

hello all. i have been a stick welder on pipeline and plant code work for about 4 years. i was ask to learn how to tig weld for a lot of upcoming jobs . i run a miller 302 trailblazer . and i keep haveing alot of penatration issues on my root pass. i have tried 3/32 and 1/8 electrodes more heat less...