BS 4921:1973
Superseded
View Superseded by
Specification for sherardized coatings on iron and steel articles
Hardcopy
English
02-28-1973
02-29-1988
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.
| Committee |
STI/33
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| I.S. 197-2:1985 | ALUMINIUM ALLOY WINDOWS |
| BS 6858:1987 | Specification for manually operated positioning devices and associated anchorage lines for use with industrial safety belts and harnesses |
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