CEMP-E
TI 809-26
1 March 2000
Table C-17. AWS A5.12 Classification System for Tungsten Electrodes for GTAW
EWX-X
E
Electrode
W
Tungsten
X-X
Letter (and optionally -number) describing type of tungsten electrode
P = pure tungsten
Ce = tungsten-cesium alloy
La = tungsten-lanthanum alloy
Th = tungsten-thorium alloy
Zr = tungsten-zirconium alloy
G = general, not specified
C-32