Tungsten electrode 1. WP, WT10, WT20, WT30, WT40, WC20, WZr3, WZr8, WL10, WL15, WL20 2. ... - 12.0mm 3. 150, 175mm Tungsten electrode 1. Item: WP, WT10, WT20, WT30, WT40, WC20, WZr3, WZr8, WL10, WL15, WL202. Diameter ... . DESIGNATI COLOR SIGH CONTENT % IMPURITY % TUNGSTEN % LENGTH (mm) DIA. (mm) WT10 YELLOW 0.9-1.2 ≤0.2 MARGIN 75, 150 ...