PROCESSO PARA A PROTECAO DE CHAPAS DE ACO LAMINADO PLANO PREVIAMENTE REVESTIDAS COM ZINCO OU LIGAS CONTENDO ZINCO E PRODUTO OBTIDO PELO PROCESSO

摘要

A process is disclosed for the protection of steel rolled sections, in form of rolls, sheets or plates, already plated with zinc or zinc containing alloys, by means of one or more layers of an electrolytic plating, consisting of inorganic elements or compounds, preferably metal chrome and chrome oxide.