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3. Designing parts for galvanizing
3.1 Steel selection
The results obtained during hot-dip galvanizing depend in part on the steels used, and in particular on their chemical composition. When steel is immersed in liquid zinc, a metallurgical reaction (diffusion) occurs between the zinc and the steel.
Coating formation rate and structure depend on the silicon and phosphorus content of the steel.
The standard NF A 35-503 defines three categories of steel suitable for galvanizing (table 4 ). When ordering, please specify the standard reference NF A 35-503 and, if necessary,...
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Designing parts for galvanizing
Inspection of galvanized parts
Bibliography
Websites
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IZA (International Zinc Association)
IZA was founded in 1991 by a group of the world's leading zinc producers. Its mission is to collect data, conduct studies and research, and communicate on zinc.
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EGGA (European General Galvanizers Association)
Standards and norms
- Hot-dip galvanizing of finished cast-iron and steel products – Specifications and test methods - NF EN ISO 1461 - juillet 2009
- Zinc coatings – Guidelines and recommendations for corrosion protection of iron and steel in buildings – Part 1: General design principles and corrosion resistance - NF EN ISO 14713-1 - mars 2010
- Steel products – Requirements for hot-dip galvanizing steel components - NF A...
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