... 2. Grade:WL10,WL15,WL20,WT20,WT40,WC20,WZ8,WP 3. Dimension: dia(1.0-10)*L L< ... 1500mm4) Product Condition: Black,Annealed,Ground and Polished5) Applications: TIG welding and plasma welding, cutting, spray-coating and smelting6) ... WY20 Yo2 1.8-2.2 < 0.20The restBlue WP< 0.20The restGreen WC20 CeO2 1.8-2.2< ... 0.20The restGray WZ8 ZrO2 0.7-0.9< 0.20The restWhite3. The Product Quality Certificate And ...