Ndi silicon mkuwa wokhala ndi manganese ndi faifi tambala.Lili ndi mphamvu zambiri, kukana kuvala kwabwino kwambiri, kumatha kulimbikitsidwa ndi chithandizo cha kutentha, ndipo mphamvu zake ndi kuuma kwake zimakula bwino pambuyo pozimitsa ndi kutentha.Ili ndi kukana kwa dzimbiri m'mlengalenga, madzi abwino ndi madzi am'nyanja, ndipo imakhala ndi weldability wabwino komanso machinability.