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For sale is ___ 3/16", 2% lanthanated electrodes. These have a sky blue band on the end. Each is 3/16" thick and 6" long. They are quite heavy.
Avoid inhaling radioactive dust inherent for thoriated electrodes. With these electrodes, your balls will not fall off and your offspring will not be three headed.
Traceable, best quality electrodes made by Huntingdon. Have a batch number on the box. It is not easy to find 2% lanthanated electrodes.
They can be used to weld DCEN, DCEP or AC (yes, that means aluminum) up to 750 amps. See http://www.millerwelds.com/pdf/gtawbook.pdf, page 11.
They can also be used to make spark gaps, they are big enough for that.
``EWLa-2 designates a tungsten electrode containing 1.8-2.2 wt-% of dispersed lanthanum oxide (La2O3). The EWLa-2 electrode has the highest volume of oxides of any of the specific single- additive AWS-specified electrode types, which serves to enhance arc starting and stability, reduce tip erosion rate, and extend operating current range. Lanthanated tungsten electrodes can be used for both DC and AC applications.''
Airgas wants 396.70 for a box of 10 of 1.5% lanthanated 3/16" electrodes. I had to call on the phone to find out. Here's your chance to get 2% electrodes for much less.
