Ferromolybdenum ni ferroalloy igizwe na molybdenum na fer, muri rusange irimo molybdenum 50 ~ 60%, ikoreshwa nk'inyongeramusaruro mu gukora ibyuma. Ikoreshwa ryayo nyamukuru ni ugukora ibyuma nk'inyongera ya molybdenum. Kwiyongera kwa molybdenum mubyuma birashobora gutuma ibyuma bigira kimwe. kristu nziza