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AS/NZS ISO 17668:2022 Zinc diffusion coatings on ferrous products - Sherardizing - Specification
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AS/NZS ISO 17668:2022 identically adopts ISO 17668:2016, which specifies requirements for the minimum thickness of six classes of zinc diffusion layers applied to ferrous products by the sherardizing process for the purpose of protection against corrosion and wear.