Wt20 tungsten electrode 2.4*175mm 1.WP,WT,WC,WL,WZr 2.Diameter:0.5-10.0mm or customize ... Wt20 tungsten electrode 2.4*175mm Generally used in ... signCategoryContent %------------------------Pure TungstenWP-------- <0.20BalanceGreenYttriated TungstenWY20Y2O31.8-2.2<0.20BalanceBlueCompo-site----------------1.5-3.0<0.20Balance------- Recommended Tungsten Electrodes ...