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BS EN ISO 12944-4-1998
Beschichtungsstoffe. Korrosionsschutz von Stahlbauten durch Beschichtungssysteme. Arten von Oberflaechen und Oberflaechenvorbereitung Paints and Varnishes-Corrosion Protection of Steel Structures by Protective Paint Systems-Part 4:Types of Surface and Surface Preparation Peintures et vernis. Anticorrosion des structures en acier par systemes de peinture. Types de surface et de preparation de surfaces Together with the Other Seven Parts of BS EN ISO 12944,it Partially Supersedes BS 5493:1977 [:BS
适用范围：This part of ISO 12944 deals with 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. This part of ISO 12944 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 this part of ISO 12944.
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