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Standards

Thermal Diffusion Galvanizing (a technically advanced form of Sherardizing ) has been laid down in various specifications.

ASTM A1059 - 2008
Zinc alloy thermo diffusion coatings on steel fasteners, hardware and other products

BS EN 13811: 2003
Sherardizing. Zinc diffusion coatings on ferrous products. Specification

BS EN 13438: 2005
Paints and varnishes. Powder organic coatings for galvanized or sherardised steel products for construction purposes

BS EN ISO 14713-1: 2009
Zinc coatings. Guidelines and recommendations for the protection against corrosion of iron and steel in structures. Part 1. General principles of design and corrosion resistance

BS EN ISO 14713-3: 2009
Zinc coatings. Guidelines and recommendations for the protection against corrosion of iron and steel in structures. Part 3. Sherardizing

EN 15773:2009
Industrial application of powder organic coatings to hot dip galvanized or sherardized steel articles (duplex systems) - Specifications, recommendations and guidelines.