The Hot Dip Galvanizing Process [HDG Datasheet 2]
Hot dip galvanizing is the process of coating iron or steel articles with zinc by immersing the metal in a bath containing molten zinc at a temperature of around 450°C.
During the process, a metallurgically bonded coating is formed which protects the steel. The majority of galvanizing plants can accept a wide variety of shapes and weights of steel fabrication.
A small number of specialist plants are semi-automated or fully automated for galvanizing long runs of sheet, wire or tubes and do not operate to EN ISO 1461.
Stages of the Process
- Degreasing
- Chemical Cleaning
- Flux Treatment
- Drying
- Galvanizing
- Cooling and Checking
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