Steel sheet provided with a coating offering sacrificial cathodic protection, method for the production of a part using such a sheet, and resulting part

摘要

The invention relates to a steel sheet provided with a coating offering sacrificial cathodic protection, comprising between 5 and 50 wt.-% zinc, between 0.1 and 15 wt.-% silicon, and optionally up to 10 wt.-% magnesium and up to 0.3 w.t-%, in terms of cumulative content, of additional elements, as well as comprising a protective element selected from between 0.1 and 5 wt.-% tin, between 0.01 and 0.5 wt.-% indium and combinations of same, the remainder consisting of aluminium and residual elements or inevitable impurities. The invention also relates to a method for producing parts by means of hot or cold pressing and to the resulting parts.