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