Graphite peteroli ya kokiya ikozwe muri peteroli nziza ya peteroli nkibikoresho fatizo ukoresheje ubushyuhe bwo hejuru kuri 2800-3000 ºC. Ifite ibiranga ibintu byinshi bya karubone bihamye, ibirimo sulfure nkeya, ivu rike hamwe nigipimo kinini cyo kwinjiza. Ikoreshwa cyane muri metallurgie, casting nizindi nganda. Irashobora gukoreshwa mugukora ibyuma byujuje ubuziranenge, ibyuma bidasanzwe, guhindura urwego rwicyuma cya nodular nicyuma cyumuhondo, kandi birashobora no gukoreshwa nkibintu bigabanya inganda zikora imiti.