BS 4921:1973 - Specification for sherardized coatings on iron and steel articles

BS 4921:1973

Specification for sherardized coatings on iron and steel articles

Status : Revised, Withdrawn   Published : February 1973 Replaced By : BS 4921:1988

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Specifies coatings consisting principally of zinc applied to iron and steel articles by the sherardizing process to protect them against corrosion. Deals with the purity of the zinc powder used in the sherardizing process and with the thickness, appearance and adhesion of the coating. Two classes of coating thickness are specified together with the reference method of determining the coating thickness. Gives advice on the condition of the basis metal and the need for post treatments.




Standard NumberBS 4921:1973
TitleSpecification for sherardized coatings on iron and steel articles
StatusRevised, Withdrawn
Publication Date28 February 1973
Withdrawn Date29 February 1988
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS 4921:1988
Draft Superseded By71/42308 DC
DescriptorsSherardizing, Metal coatings, Coatings, Zinc, Steels, Iron, Castings, Particle size distribution, Dust, Thickness, Threaded components, Clearances, Weight measurement, Protective coatings, Thickness measurement
ICS25.220.40
CommitteeSTI/33
ISBN0 580 07800 0
PublisherBSI
FormatA4
DeliveryNo
File Size0 KB
Price£182.00


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