标准编号：ISO 17668:2016
中文名称：铁制品上的锌扩散涂层 渗锌 规范
英文名称：Zinc diffusion coatings on ferrous products — Sherardizing — Specification
发布日期：2016-02
标准范围
This International Standard specifies minimum thickness requirements for six classes of zinc diffusionlayers applied to ferrous products by the sherardizing process for the purpose of protection againstcorrosion and wear.This International Standard does not specify any requirements for the surface condition (finish orroughness) of the basis material before sherardizing.Post-treatments (conversion coatings), after-treatments or organic over-coatings (Duplex) ofsherardized articles are not in the scope of this International Standard.NOTE 1 For general information about post-treatments, see Annex C and Annex D.This International Standard does not apply to sherardized products (e.g. fasteners, tubes) for whichspecific standards exist and which might include additional requirements or requirements which aredifferent from those of this International Standard.NOTE 2 Individual product standards can incorporate this International Standard for the coating by quotingits number, or can incorporate it with modification specific to the product.
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