Carbon riser bụ ihe carbon, emepụtara na oke okpomọkụ ma jiri ya mee ihe maka carburization nke ígwè na nkedo ígwè.
A na-etinye ya n'oge a na-eme nchara na ihe nkedo dị ala (ekwe ka ígwè na carbon) na-ahụ maka ntụgharị oxygen na usoro electrosmelting.Na metallurgy carbon riser (milled graphite) na-eji ọtụtụ ebe maka slag foaming, n'oge coal graphite mmepụta, dị ka ihe ndochi maka graphite-ike plastic.