IGraphitized petroleum coke (GPC) uMvelisi
I-Graphite petroleum coke isetyenziswa ngokubanzi njengesiphuculi sekhabhoni kumashishini okwenza intsimbi kunye nokuchaneka kwemveliso, njengomfuyi kwishishini le-Foundry, njenge-arhente yokunciphisa kwishishini lesinyithi kunye nesixhobo esichasayo. I-graphite ye-petroleum coke inokukhuthaza i-nucleation ye-graphite kwisisombululo sesinyithi, ikhulise inani le-ductile yensimbi kunye nokuphucula umbutho kunye nebakala le-gray cast iron. Ngokuqwalaselwa kwesakhiwo esincinci, i-graphite petroleum coke inezi mpawu zilandelayo: Okokuqala, umxholo we-ferrite we-iron ductile unokunyuswa kakhulu ngaphandle kokusetyenziswa kwe-pearlite stabilizers; Okwesibini, umlinganiselo we-graphite ene-V kunye ne-VI inokunyuswa ngexesha lokusetyenziswa; Okwesithathu, xa kuthelekiswa nokuphucula ubume be-inki ye-nodular, ukunyuka okukhulu kwi-inki ye-nodular kunokunciphisa ukusetyenziswa kwee-agent ze-nucleating ezibizayo ekulungisweni kakuhle kamva, okukhokelela ekugcinweni kweendleko ezibalulekileyo.