At the countries industry, welding electroda has covered up, it a cot qf standar dize acording necessary in the .Japan example steel welding electrode covered up for strong steel has been standar di::ing industri in .Japan (JIS) America Standardization (ASTM), background of Standart Asosiation America (AWS). Based electroda, Either .!JS or A WS based on kind´s of flux welding position and welding current in the electric welding electrode needed to extra meterial, extra material based on job material so can good intergrated. Integrated ( (job material and electroda so become well based the role of current necesswy. Here we can understand to find a good welding product, we must attention kinds elektroda for extro matchal based job material. Keywords: welding, electro, efectroda.