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Offers Expert Consultation To Erection of Hot Dip Galvanizing Plants both Domestically And Internationally

Hot Dip Galvanizing Plant

Galvanizing Plant :



Front View	Side View

Galvanizing Plant : 12 mtr. Long x 1.2 mtr Wide x 1.6 mtr. Height at Saudi Arabia

Hot Dip Galvanizing Process :

Hot Dip Galvanizing is a factory controlled metallurgical combination of zinc and steel that provides corrosion resistance in a wide variety of environments.

Hot Dip Galvanizing protects steel from corrosion in two ways. It provides cathodic protection and barrier protection.

For over 150 years Hot Dip Galvanizing has had a proven track record of protection in a myriad of applications.

The Galvanizing Process :

The basic elements to the galvanizing process :

	Surface Preparation.
	Galvanizing.
	Inspection/ Finishing.

I) Surface Preparation

Surface preparation is the most important step in the application of any coating. In most instances, where a coating fails before the end of its expected service life it is due to incorrect or inadequate surface preparation.

With galvanizing, the surface preparation process contains its own built-in means of quality assurance and quality control in that zinc will simply not react with a steel surface that is not perfectly clean.

Surface preparation for galvanizing typically consists of three steps :


Caustic Cleaning	Acid Pickling	Fluxing

II) Galvanizing

In this step, the material is completely immersed in a bath of a minimum of 98% pure molten zinc. The bath temperature is maintained at about 450⁰C. Fabricated items are immersed in the bath long enough to reach bath temperature. The articles are slowly withdrawn from the galvanizing bath , and the excess zinc is removed by draining, vibrating, and/or centrifuging. The steel then goes into a dilute chromate quench giving your product a longer lasting luster.

III) Inspection / Finishing

The most important method of inspection for galvanized articles is visual. A variety of simple physical and laboratory tests may be performed for :

	Thickness,
	Adherence of the coating,
	Uniformity of the coating,
	Appearance