Nodulizer ke ntho e lemalloang e ka khothaletsang ho etsoa ha spheroidal graphite ho tsoa likotong tsa graphite ts'ebetsong ea tlhahiso.E ka matlafatsa li-graphite tsa spheroidal le ho eketsa palo ea li-graphite tse spheroidal e le hore thepa ea bona ea mechine e ntlafatsoe.Ka lebaka leo, ductility le toughnes