19/30391800 DC - BS EN ISO 4042. Fasteners. Electroplated coating systems

19/30391800 DC

BS EN ISO 4042. Fasteners. Electroplated coating systems

Status : Draft for public comment, Current   Published : November 2019

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This document specifies requirements for steel fasteners with electroplated coatings and coating systems. The requirements related to dimensional properties also apply to fasteners made of copper or copper alloys.

It also specifies requirements and gives recommendations to minimize the risk of hydrogen embrittlement; see 4.4 and Annex B.

It mainly applies to fasteners with zinc and zinc alloy coating systems (zinc, zinc-nickel, zinc-iron) and cadmium, primarily intended for corrosion protection and other functional properties:

  • with or without conversion coating;

  • with or without sealant;

  • with or without top coat;

  • with or without lubricant (integral lubricant and/or subsequently added lubricant).

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.

The requirements of this document for electroplated fasteners supersede other general ISO standards dealing with electroplating.

This document applies to bolts, screws, studs and nuts with ISO metric thread, to other threaded fasteners 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.




Standard Number19/30391800 DC
TitleBS EN ISO 4042. Fasteners. Electroplated coating systems
StatusDraft for public comment, Current
Publication Date18 November 2019
Normative References(Required to achieve compliance to this standard)ISO 3613:2010, ISO 15330, ISO 1463, ISO 3497, ISO 4521, ISO 1456, ISO 1502, ISO 2093, ISO 2177, ISO 1891-2, ISO 16228, ISO 3231, ISO 2082, ASME B18.6.3, ISO 6988, ISO 2178, ISO 16047, ISO 21968, ISO 9227, ISO 8991, ISO 15726
Informative References(Provided for Information)ISO 10666, ISO 9587, ASTM F1940, ISO 16426, ISO 2702, DIN 50969-2, ISO 965-3, ISO 965-1, ISO 898-2, ISO 965-2, ISO 6932, ISO 898-3, ASTM F606/F606M, ISO 898-5, ISO/TR 20491, ISO 898-1, ISO 4042:1999
International RelationshipsISO/DIS 4042
Draft Expiry Date07 January 2020
DescriptorsCorrosion protection, Designations, Metal coatings, Embrittlement, Fasteners, Corrosion resistance, Electroplating, Steels, Threaded fasteners, ISO metric threads, Hydrogen, Thickness measurement, Thickness, Coatings, Copper alloys
ICS21.060.01
25.220.40
Title in FrenchFixations — Systèmes de revêtements électrolytiques
CommitteeFME/9/-/1
PublisherBSI
FormatA4
DeliveryYes
Pages63
File Size3.271 MB
NotesWarning: this draft is not current beyond its expiry date for comments.
Price£20.00


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