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3. Characteristics of phosphate coatings deposited on steel
The characteristics and essential constituents of the phosphating coatings most commonly applied to steel substrates are given in Table
3
. For information on coating morphology, please refer to
3.1 Correspondence between weight and layer thickness
This correspondence is given, as a guide, in table 4 for the main phosphating coats.
When the phosphate bath contains iron II in addition to zinc or manganese, the P/E ratio is highly variable, which can be explained by variations in the density of the deposited layers. This density depends not only on...
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Characteristics of phosphate coatings deposited on steel
Metals likely to be phosphated
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Standardization
There are currently no AFNOR standards for phosphating. There are, however, a number of foreign standards, notably in Germany, Great Britain, Denmark, Italy, Japan, Sweden and the United States. Readers are referred to the works cited at
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France
Aciéries et Laminoirs de Beautor SA .
Alfa-Laval SA
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