Zinc coatings protect steel from corrosion due to its anodic properties where it will sacrificially corrode before the underlying steel.

This practical aid examines the following zinc coatings: batch hot-dip galvanizing, continuous sheet galvanizing, zinc painting, zinc spray metallizing, mechanical plating, electrogalvanizing, and zinc plating; to help architects, engineers, and other specifiers assess and select the most suitable zinc coating for corrosion protection.

2007年5月8日 · Zinc coating extends the life of all steel products and thus improves steel’s life-cycle performance and removes the need for regular maintenance normally associated with paint and other coatings. Today’s technology enables thinner zinc …

Zinc coatings are used in various types of industries to ensure their piping systems are resistant to corrosion. Several common types of coatings include organic and inorganic zinc coatings, galvanized, zinc plating, thermal spray, and mechanical plating.

Among variety of coating types, zinc coating is widely used as a protective coating on steel and one of the very important problems in galvanizing is the improvement of the protective and functional properties of Zn coatings.

Zinc coatings are applied to steel surfaces by hot dip galvanizing, electroplating, sherardising, mechanical plating, painting with zinc-rich coatings and zinc spraying (metallising). Of these, the HDG process is by far the most widely used.

Generally a pure zinc coating, although alloys (e.g. Zn-Fe, Zn-Ni) are available. Coating thickness is typically lower than for a galvanized product. Provides an ultra-smooth finish which is desirable for surface critical parts such as automotive exterior body panels.