This European Standard specifies minimum thickness requirements for three classes of zinc coating applied to ferrous products byThe sherardizing process forThe purpose of protection against corrosion and abrasion.It also specifies minimum requirements forThe zinc dust to be used duringThe sherardizing processThis standard does not specify any requirements forThe surface condition (finish or roughness) of the basis material before sherardizing.After-treatments or overcoating of sherardized articles is not covered byThis standard.