EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
EN ISO 9227
May 2012
ICS 77.060 Supersedes EN ISO 9227:2006
English Version
Corrosion tests in artificial atmospheres - Salt spray tests (ISO
9227:2012)
Essais de corrosion en atmosphères artificielles - Essais
aux brouillards salins (ISO 9227:2012)
Korrosionsprüfungen in künstlichen Atmosphären -
Salzsprühnebelprüfungen (ISO 9227:2012)
This European Standard was approved by CEN on 14 May 2012.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
C O M I T É E U R O P É E N D E N O R M A LI S A T I O N
EUR OP ÄIS C HES KOM ITEE FÜR NOR M UNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved
worldwide for CEN national Members.
Ref. No. EN ISO 9227:2012: E
EN ISO 9227:2012 (E)
2
Contents Page
Foreword ..............................................................................................................................................................3�
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EN ISO 9227:2012 (E)
3
Foreword
This document (EN ISO 9227:2012) has been prepared by Technical Committee ISO/TC 156 "Corrosion of
metals and alloys" in collaboration with Technical Committee CEN/TC 139 “Paints and varnishes” the
secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by November 2012, and conflicting national standards shall be withdrawn
at the latest by November 2012.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 9227:2006.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 9227:2012 has been approved by CEN as a EN ISO 9227:2012 without any modification.
© ISO 2012
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INTERNATIONAL
STANDARD
ISO
9227
Third edition
2012-05-15
Reference number
ISO 9227:2012(E)
ISO 9227:2012(E)
ii © ISO 2012 – All rights reserved
COPYRIGHT PROTECTED DOCUMENT
© ISO 2012
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ISO 9227:2012(E)
© ISO 2012 – All rights reserved iii
Contents 3DJH
Foreword ............................................................................................................................................................................ iv
,QWURGXFWLRQ ........................................................................................................................................................................ v
�� 6FRSH ...................................................................................................................................................................... 1
�� 1RUPDWLYH�UHIHUHQFHV ......................................................................................................................................... 1
�� 7HVW�VROXWLRQV ....................................................................................................................................................... 2
���� 3UHSDUDWLRQ�RI�WKH�VRGLXP�FKORULGH�VROXWLRQ ............................................................................................... 2
3.2 pH adjustment ...................................................................................................................................................... 2
���� )LOWUDWLRQ ................................................................................................................................................................. 2
4 Apparatus .............................................................................................................................................................. 3
���� &RPSRQHQW�SURWHFWLRQ ....................................................................................................................................... 3
���� 6SUD\�FDELQHW ........................................................................................................................................................ 3
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���� 6SUD\LQJ�GHYLFH ................................................................................................................................................... 3
���� &ROOHFWLQJ�GHYLFHV ............................................................................................................................................... 4
4.6 Re-use..................................................................................................................................................................... 4
�� 0HWKRG�IRU�HYDOXDWLQJ�FDELQHW�FRUURVLYLW\ .................................................................................................... 4
���� *HQHUDO ................................................................................................................................................................... 4
5.2 NSS test ................................................................................................................................................................. 5
5.3 AASS test............................................................................................................................................................... 6
5.4 CASS test............................................................................................................................................................... 7
�� 7HVW�VSHFLPHQV .................................................................................................................................................... 8
�� $UUDQJHPHQW�RI�WKH�WHVW�VSHFLPHQV ............................................................................................................... 8
�� 2SHUDWLQJ�FRQGLWLRQV .......................................................................................................................................... 9
9 Duration of tests .................................................................................................................................................. 9
��� 7UHDWPHQW�RI�VSHFLPHQV�DIWHU�WHVW ................................................................................................................10
��� (YDOXDWLRQ�RI�UHVXOWV.........................................................................................................................................10
12 Test report ...........................................................................................................................................................10
Annex A �LQIRUPDWLYH��6FKHPDWLF�GLDJUDP�RI�RQH�SRVVLEOH�GHVLJQ�RI�VSUD\�FDELQHW��ZLWK�PHDQV�IRU�
WUHDWLQJ�IRJ�H[KDXVW�DQG�GUDLQ.......................................................................................................................12
Annex B �LQIRUPDWLYH��&RPSOHPHQWDU\�PHWKRG�IRU�HYDOXDWLQJ�FDELQHW�FRUURVLYLW\��XVLQJ�]LQF�
UHIHUHQFH�VSHFLPHQV ........................................................................................................................................14
Annex C �QRUPDWLYH��3UHSDUDWLRQ�RI�SDQHOV�ZLWK�RUJDQLF�FRDWLQJV�IRU�WHVWLQJ ...............................................16
Annex D �QRUPDWLYH��5HTXLUHG�VXSSOHPHQWDU\�LQIRUPDWLRQ�IRU�WHVWLQJ�WHVW�SDQHOV�ZLWK�RUJDQLF�FRDWLQJV ..17
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ISO 9227:2012(E)
Foreword
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INTERNATIONAL STANDARD ISO 9227:2012(E)
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