2% Lanthanated Tungsten is a substitute for 2% Thoriated. It has similar characteristics to 1. 5% Lanthanated with better arc starting, arc stability, and less tip erosion. It is composed of 97. 3% Tungsten, 1. 8%-2. 2% lanthanum, and. 5% other. Materials Welded- Carbon Steel, Stainless Steel, Nickel Alloy, Titanium, and Aluminum.
