... Ground finish and Polish finish WT20 Thoriated Tungsten Electrode 1.It is the most common type ... in%:1.70-2.205.Impurities%:≤ 0.206.Tungsten:the rest7.Color mark:Red8.Diameter: 1. ... quality with the favorable price We can supply other tungsten electrodes ,such as WC20, WP, WL15,WL20, ... can malke different kinds of diameter and length tungsten electrodes according to clients requirement.Welcome to your ...