Paul, If you're using a inverter welder there is no good reason that I know of to be using Zirconated, but if you have a transformer welder and you're welding Aluminum then Zirconated would be a good choice. I would think that any of the other blends would be better for DCEN welding for alloys. Aga...

Paul, I'm not sure that there is anything that would require you to use E3 that you couldn't weld with 2% Lanth. electrode. I'm guessing that everything that has been welded up to the point that they starting making E3 is still being welded with something else. It's nice electrode and seems to hold...

I live in Australia and am trying to get my hand on some e3 electrodes and can't seam to get any and I'm going to have to buy them from the states my first question is if it is worth it in people's opinion if anyone has used them and where would be the best place to get them online thanks in advance