ISO 12944-4:2017

Current Revision
Paints and varnishes - Corrosion protection of steel structures by protective paint systems - Part 4: Types of surface and surface preparation

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Paints and varnishes - Corrosion protection of steel structures by protective paint systems - Part 4: Types of surface and surface preparation

PUBLISH DATE 2017

ISO 12944-4:2017 covers the following types of surfaces of steel structures consisting of carbon or low-alloy steel, and their preparation:

  • uncoated surfaces;
  • surfaces thermally sprayed with zinc, aluminium or their alloys;
  • hot-dip-galvanized surfaces;
  • zinc-electroplated surfaces;
  • sherardized surfaces;
  • surfaces painted with prefabrication primer;
  • other painted surfaces.

ISO 12944-4:2017 defines a number of surface preparation grades but does not specify any requirements for the condition of the substrate prior to surface preparation.

Highly polished surfaces and work-hardened surfaces are not covered by ISO 12944-4:2017.

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