HDG Datasheet 13: Renovation of Hot Dip Galvanized Steel

The galvanized coating applied by immersion in a bath containing molten zinc not only provides a high level of corrosion protection but is also very robust, such that it will normally withstand handling and erection.

HDG Datasheet 13 - Renovation of Hot Dip Galvanized SteelHowever, the coating may occasionally be subject to small areas of mechanical damage typically as chips at edges or corners when mishandled. In such instances it is necessary to repair the galvanized coating.

Galvanized coating repair

Where an article is subject to sufficient impact to damage, the galvanized coating repair may be conducted in line with the requirements of BS EN ISO 1461: 2009 which are summarised in the datasheet.

This datasheet contains information on the following:

  • BS EN ISO 1461: 2009 requirements for galvanized coating repairs
  • individual uncoated areas and the sum of uncoated areas
  • renovation coating thickness
  • renovation material for galvanized steel
  • the procedure

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