i need to weld some jonny joints onto some 1.5" .250 wall tubing i have a dynasty200dx as be the weld calc i dont have enough welder to do it i would see this as a fillet weld the jonny joint shell is 3/16" the calc is sayin around 260amps and 3/32 orange tungsten what do yall think do i need more machine? i have a mm251 but feel better tiggin theese. both pieces are mild steel dom tubing.