ISO 12944-4:2017

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

Publication date: Nov 13, 2017

General information

Current stage: 90.60 Effective date: Mar 5, 2023

Originator: ISO

Owner: ISO/TC 35/SC 14

Type: International Standard

ICS: 25.220.10

Languages: English French

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Status: Published

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 12944-4:1998

NOW

PUBLISHED
ISO 12944-4:2017
90.60 Close of review
Mar 5, 2023

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