Se evaluo el metodo de pasivacion reactivacion potencio-dinamica para determinar el grado de sensibilizacion del acero inoxidable austenitico AISI 304, por aplicacion en condiciones conocidas y controladas y comparacion con otros metodos. AbstractThe potenciodynamic reactivation pasivation method for detecting sensitization in AISI 304 austenitic stainless steel, was evaluated watching over its application in known and controled conditions and its comparison with other methods.