BS EN ISO 4042:2018 pdf free download

08-24-2020 comment

BS EN ISO 4042:2018,Fasteners – Electroplated coating systems.BS EN ISO 4042:2018 pdf can be downloaded for free.The size of this pdf file is 8.39M.
BS EN ISO 4042:2018 specifies requirements for electroplated coatings and coating systems on steel fasteners. The requirements related to dimensional properties also apply to fasteners made of copper or copper alloys.
This document was completely revised to take into account new developments related to hexavalent chromium free passivations, application of sealants and top coats, requirements for functional properties as well as results of research work to minimize the risk of hydrogen embrittlement.
Specifications for other electroplated coatings and coating systems (tin, tin-zinc, copper-tin, copper silver, copper, silver, copper-zinc, nickel, nickel-chromium, copper-nickel, copper-nickel-chromium) are included in this document only for dimensional requirements related to fasteners with ISO metric threads.
This document applies to bolts, screws, studs and nuts with ISO metric thread, to fasteners with non-ISO metric thread, and to non-threaded fasteners such as washers, pins, clips and rivets.
Information for design and assembly of coated fasteners is given in Annex A.
This document does not specify requirements for properties such as weldability or paintability.

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