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