Just a quick update: Prior to realizing that the gas flow rate was too high, we had systematically varied the settings as followswith everything else constant: EP to EN from 1:1 to 1.5:1 Frequency from 100 to 250 Balance from 65% to 85% The results were that the EP to EN ratio was most ideal at 1.25...

Thank you for the quick response. I think we have 5356 though I may have a WPS only for 5000 series base metal. But still Group IV, so I should be good to qualify. I have lanthanated. We've tried it previously with no luck, but I've been changing EP / EN / Balance / Waveform / Frequency settings too...

I'm welding for a qualification test per AWS D17.1. The requirements are that the weld must be x-rayed. I have been practicing and sending courtesy pieces for the last month. Already completed my other materials, but this is the last one and cannot get rid of the porosity. Just looking for any tips ...