ISO INTERNATIONAL STANDARD 16539 Firstedition 2013-03-01 Corrosion of metals and alloys - Accelerated cyclic corrosion tests with exposure to synthetic ocean water salt-deposition process -“Dry" absolute humidity Corrosion des métaux et alliages - Essais de corrosion cyclique accelérée avec exposition a I'eau de mer synthétique par procédé de dépot de sel - Conditions "seches"et conditions "humides"a taux d'humidité absolue constant Reference number ISO 16539:2013(E) LSO @ IS0 2013 IS0 16539:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Normative references ..1 3 Test solution 2 3.1 Preparation of the mixed salt solution .2 3.2 pH adjustment .2 3.3 Preparation of the test solution .2 4 Apparatus.. .3 4.1 Component protection .3 4.2 Exposure cabinet. 3 4.3 Salt deposition device .3 4.4 Temperature and humidity control device .3 4.5 Rinse treatment of specimens .3 4.6 Types of apparatus 5 Test specimens.. 6 Salt deposition measurement method ..4 7 Arrangement of the test specimens ..4 8 Operating conditions and procedure ..4 9 Treatment of specimens after test. ..9 10 Continuity of tests .9 11 Duration of tests. .9 12 Evaluation of results .9 13 Test report 9 Annex A (informative) Combined cyclic test instrument with salt deposition unit (two cabinets).11 Annex B (informative) Combined cyclic test instrument with salt deposition unit (one cabinet) ...12 Annex C (informative) Salt deposition method by manual spraying .13 Annex D (informative) Recommended periods of testing ..15 Annex E (informative) Methods forevaluation of corrosivity oftest ..17 Bibliography .19 @ IS0 2013 - All rights reserved iii IS0 16539:2013(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with Iso, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. IS0 16539 was prepared by Technical Committee ISO/TC 156, Corrosion of metals and alloys. iv @ IS0 2013 - All rights reserved