I-graphitized petroleum coke iwukuguqula i-petroleum coke ibe yikristalu yekhabhoni ecwebezelayo enezingqimba ezi-hexagonal ekushiseni okuphezulu okungama-degrees angu-3000 esithandweni se-graphitization, okungukuthi, i-petroleum coke iba yi-graphite. Le nqubo ibizwa ngokuthi i-graphitization. I-petroleum coke ecutshungulwa ngenqubo ye-graphitization ibizwa ngokuthi i-graphitized petroleum coke.