NEN-EN 1670:2007 en

Hang- en sluitwerk - Bestandheid tegen corrosie - Eisen en beproevingsmethoden

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Status Definitief
Aantal pagina's 10
Gepubliceerd op 01-04-2007
Taal Engels
This European Standard specifies the requirements for the corrosion resistance of building hardware for doors, windows, shutters and curtain walling. This European Standard provides a method of classification of corrosion resistance of building hardware based on performance in a neutral salt spray test (ISO 9227). This European Standard specifies requirements for both coated and uncoated surfaces and five grades of corrosion resistance being laid down in accordance with the different conditions of use grades 1 to 5. A grade 0 is also included for which no requirements have been specified. Requirements for levels of corrosion resistance which are higher than those laid down for grade 5 have not been included in this European Standard and are subject to agreement where required. This European Standard also applies to the metal fasteners required for fixing building hardware if specified. Screws and fastenings which are sold with a hardware product which conforms to this European Standard need to conform also to this European Standard. The method described in this European Standard gives a means of checking that the comparative quality of a material, with or without corrosion protection, is maintained. In addition, for quality control purposes, comparison can be made between specimens coated with the same coating. As comparative tests, however, salt spray tests are only suitable if the coatings are sufficiently similar in nature. It is often not possible to use results gained from salt spray testing as a comparative guide to the long-term behaviour of different coating systems as the corrosion stress during these tests differs significantly from the corrosion stresses encountered in practice.


ICS-code 91.190
Nederlandse titel Hang- en sluitwerk - Bestandheid tegen corrosie - Eisen en beproevingsmethoden
Engelse titel Building hardware - Corrosion resistance - Requirements and test methods
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