65Mn karfe farantin karfe, manganese inganta hardenability, φ 12mm karfe za a iya quenched sosai a cikin mai, da surface decarburization hali ne karami fiye da na silicon karfe.A m inji Properties bayan zafi magani ne mafi alhẽri daga na carbon karfe, amma yana da overheating ji na ƙwarai da kuma tempering brittleness.Hakanan za'a iya amfani dashi don yin zoben bazara, maɓuɓɓugan ruwa, maɓuɓɓugan clutch, maɓuɓɓugan birki da sanyin jan ƙarfe na waya mai sanyin naɗa.Ƙarfi, taurin, elasticity da taurin farantin karfe 65Mn sun fi na karfe 65.Yana da hali na overheating hankali da kuma tempering brittleness, da kuma ruwa quenching yana da hali na samar da fasa.The machinability a cikin annealed jihar ne m, sanyi nakasawa robobi ne low, da weldability ne matalauta.