process for feuertauchbad - aluminieren a ferritic edelstahlbandes.

摘要

The invention has for its object a process for coating of aluminium by hot dipping of a steel strip, in particular of ferritic stainless steel, in which the band is preheated to a temperature lower than 500 degree c. in a non-oxidizing atmosphere containing a quantity of oxygen less than 3%, said strip is heated to a temperature lower than 950 degree c. in a non-oxidizing atmosphere, and then, the said strip in an atmosphere (3, 4) is not reactive with regard to the temperature of the coating and, finally, the said strip is dipped in a bath of the coating.