Designation Electrode colour	2%Thoriated Tungsten Electrode(WT20) Red
Diameter	0.040, 1/16, 3/32, 1/8, 5/32, etc.
Version	98% tungsten and 2% thorium oxide
Length	6"/7"
Quality of surface	ground/polished/annealed finished
Packing unit	10
Standard	ISO9000, EN26848, AWS A 5.12-92

Thoriated tungsten electrode is the most commonly used tungsten in America and some other countries and is a good general use tungsten. It performs well especially when overloaded with extra amperage. This tungsten is used primarily for DC welding of carbn&stainless steels, nick alloys and titanium.ect.