weldin mike 27 wrote:Can't help you with the amps but 309 is definitely the rod to use

Thank you! I was mainly wanting to make sure my rod choice was right.

I have a job on Monday 6/08/2015 involving welding stainless steel bolts that will protrude outside of R-panel to hold tankless water heaters. The heads of these bolts (hex 1/4 20) will be against steel purling. A 1/4" hole will be drilled through the purling, and the head will rest on the insi...