名称铈钨电极牌号WC20WT10WT20钍钨电极WT30WT40WL10镧钨电极WL15WL20WZr3锆钨电极WZr8纯钨电极WP钇钨及复合电极Wy20掺加质CeO2ThO2ThO2ThO2ThO2La2O3La2O3La2O3ZrO2ZrO2-YO2氩弧焊电极型号规格成份 Composition 添加氧化物 %杂质 %钨 %1.80-2.20≤0.02余量Remainder0.80-1.20≤0.02余量Remainder1.70-2.20≤0.02余量Remainder2.80-3.20≤0.02余量Remainder3.80-4.20≤0.02余量Remainder0.90-1.20≤0.02余量Remainder1.40-1.60≤0.02余量Remainder1.90-2.10≤0.02余量Remainder0.15-0.50≤0.02余量Remainder0.70-0.90≤0.02余量Remainder-≤0.0299.81.80-2.20≤0.02余量Remainder色标灰/Gray黄/Yellow红/Red紫/Purple橙/Orange黑/Black金/Gold蓝/Blu棕/Brown白/White绿/Green天蓝/Sky blue