I-Graphite petroleum coke isetyenziswa ngokubanzi kwiinkqubo zokuphosa ezikhethekileyo njenge-recarburiser, ngakumbi ekuveliseni umgangatho ophezulu weemveliso ze-ductile kunye ne-grey cast iron kunye nomxholo wesulfure olawulwa ngokuchanekileyo, kunye nakwezinye izicelo.