Hoʻohana nui ʻia ka graphite petroleum coke i ka ʻoihana. Hoʻohana ʻia ia e like me ka carburizing agent i ka metallurgy, ka hoʻolei ʻana a me ka hoʻolei pololei ʻana. Hoʻohana ʻia ia e hana i ke kiʻekiʻe wela crucible no ka hoʻoheheʻe ʻana, lubricant no ka ʻoihana mechanical, hana electrode a me ke alakaʻi penikala; Hoʻohana nui ʻia i loko o ka ʻoihana metallurgical o ka refractory kiʻekiʻe a me ka uhi ʻana, ka mea hoʻolale ahi ʻoihana pūʻali koa, ke alakaʻi penikala māmā, ke kalapona kalapona ʻoihana uila, electrode ʻoihana pākaukau, catalyst ʻoihana mea kanu, etc.
