Zinc coatings. Guidelines and recommendations for the protection against corrosion of iron and steel in structures. Part 1: General principles of design and corrosion resistance (ISO 14713-1:2017)
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ISO 14713-1:2017 provides guidelines and recommendations regarding the general principles of design which are appropriate for articles to be zinc coated for corrosion protection and the level of corrosion resistance provided by zinc coatings applied to iron or steel articles, exposed to a variety of environments. Initial protection is covered in relation to - available standard processes, - design considerations, and - environments for use. ISO 14713-1:2017 applies to zinc coatings applied by the following processes: a) hot dip galvanized coatings (applied after fabrication); b) hot dip galvanized coatings (applied onto continuous sheet); c) sherardized coatings; d) thermal sprayed coatings; e) mechanically plated coatings; f) electrodeposited coatings. These guidelines and recommendations do not deal with the maintenance of corrosion protection in service for steel with zinc coatings. Guidance on this subject can be found in ISO 12944-5 and ISO 12944-8.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
4.1 Iron and steel substrates
4.2 Zinc coatings
5 Selection of zinc coating
6 Design requirements
6.1 General principles of design to avoid corrosion
6.2 Design for application of different zinc coating processes
6.3 Tubes and hollow sections
6.4 Connections
6.5 Duplex systems
6.6 Maintenance
7 Corrosion in different environments
7.1 Atmospheric exposure
7.2 Exposure to soils
7.3 Exposure to water
7.4 Abrasion
7.5 Exposure to chemicals
7.6 Elevated temperatures
7.7 Contact with concrete
7.8 Contact with wood
7.9 Bimetallic contact
8 Accelerated test methods applied to zinc coatings
ISO 12683:2004 Mechanically deposited coatings of zinc -- Specification and test methods
ISO 1461:2009 Hot dip galvanized coatings on fabricated iron and steel articles -- Specifications and test methods
ISO 17668:2016 Zinc diffusion coatings on ferrous products -- Sherardizing -- Specification
ISO 12683:2004 Mechanically deposited coatings of zinc -- Specification and test methods
ISO 1461:2009 Hot dip galvanized coatings on fabricated iron and steel articles -- Specifications and test methods
ISO 17668:2016 Zinc diffusion coatings on ferrous products -- Sherardizing -- Specification
ISO 2063:2005 Thermal spraying -- Metallic and other inorganic coatings -- Zinc, aluminium and their alloys
ISO 2064:1996 Metallic and other inorganic coatings -- Definitions and conventions concerning the measurement of thickness
ISO 8044:2015 Corrosion of metals and alloys -- Basic terms and definitions