Radnor E3 Tungsten
I just had a chance to use the new Radnor E3 tungsten after using 2% lanthanated almost exclusively for a while now.
The E3 is not radioactive and can be used for ac & dc and works well with all metals.
So far, the E3 tungsten keeps a point even with ac and is really smooth. It seems to last longer and the end does not ball up as quickly when using ac. Arc start is smoother than standard lanthanated. I've been welding a lot of aluminum lately and this new E3 is going to be my main tungsten. DC is really sweet and smooth.
The cost is about the same as other tungsten and so far is only available at AirGas.
I recommend trying this new tungsten. It may change your mind about tungsten.
Hobart Handler 210 with spoolgun
Cobra 2000 / Henrob O/A torch
Drill press / metal brake / 36 ton air hydraulic press
Franzinated modified Craftsman 33 compressor
Lots of other metal working tools