Coatings on metal fasteners - Specification for general requirements and selection guidelines

Coatings on metal fasteners - Specification for general requirements and selection guidelines

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1   Scope

This Part of BS 7371 specifies general requirements that apply to coatings covered by all other Parts of BS 7371, including:
  1. a) preparations before coating;
  2. b) hydrogen embrittlement avoidance;
  3. c) sampling for inspection;
  4. d) thickness testing;
  5. e) area tables for metric parallel threaded fasteners (area tables for imperial fasteners can be found in BS 7371‑12); and
  6. f) selection of coatings (including the opportunity to select non-hexavalent chromium-containing coatings).
Specific requirements are given in each Part of BS 7371.