Tungsten Electrodes for GTAW

TIG Welding Tungsten Electrodes for GTAW – Selection Guide
Base Alloy Thickness Current Electrode
Aluminum All
Thick
Thin
ac
dcen
dcep
Pure, Zirconium
Thoriated
Thoriated, EWZr
Copper and Copper Alloys All
Thin
dcen
ac
Thoriated
Pure, Zirconium
Magnesium Alloys All
Thin
ac
dcep
Pure, EWZr
EWZr, Thoriated
Nickel and Nickel Alloys All dcen Thoriated
Plain Carbon and
Low-Alloy Steel
All
Thin
dcen
ac
Thoriated
Pure, EWZr
Stainless Steel All
Thin
dcen
ac
Thoriated
Pure, EWZr
Titanium All dcen Thoriated