ok i buld up parts an the thickness is different for different parts.i might have 1part that is 3/8 in thickness and another part might be 1/2in thick.some times i have to weld uphill downhill flat overhead,it just depends on how cought up i am on my regular parts.i dont want to be asked if i can do thes extra jobs an really not know what i am doin.the gas is 25%argon an 75%carbon dioxide solid wire 045 hobart 6045 with wire feeder with a 44lb roll,welder on about 25.5 and wire feeder set on 7.any help i can get will be greatly appreceated.