Iyi mhando ye graphite electrode inonyanya kugadzirwa nepetroleum coke.Inobvumirwa kutakura density yazvino isingasviki 12~14A/㎡.Kazhinji inoshandiswa mune yakajairwa magetsi arc choto chekugadzira simbi, kugadzira silicon, kugadzira yero phosphorous nezvimwe.