Carbon riser abu ne na carbon, ana samarwa a yanayin zafi mai yawa kuma ana amfani dashi don carburization na karfe da simintin ƙarfe.
Ana amfani da shi yayin ƙera ƙarfe tare da ƙaramin simintin ƙarfe (ba da izinin ƙarfe da carbon) don sarrafa iskar oxygen da hanyoyin narkewar lantarki.A cikin ƙarfe na ƙarfe carbon lifter (milled graphite) ana amfani da ko'ina don slag kumfa, a lokacin da kwal graphite samar, a matsayin filler ga graphite-reinforced filastik.