Corrosion of metals and alloys - Alternate immersion test in salt solution (ISO 11130:2010)

ISO 11130:2010 specifies a method for assessing the corrosion resistance of metals by an alternate immersion test in salt solution, with or without applied stress.
The test is particularly suitable for quality control during the manufacture of metals including aluminium alloys and ferrous materials, and also for assessment purposes during alloy development.
Depending upon the chemical composition of the test solution, the test can be used to simulate the corrosive effects of marine splash zones, de-icing fluids and acid salt environments.
The term “metal” as used in ISO 11130:2010 includes metallic materials with or without corrosion protection.
The alternate immersion test applies to
metals and their alloys,
certain metallic coatings (anodic and cathodic with respect to the substrate),
certain conversion coatings,
certain anodic oxide coating, and
organic coatings on metals.
ISO 11130:2010 is not applicable to stainless steel.

Korrosion von Metallen und Legierungen - Wechseltauchprüfung in Salzlösung (ISO 11130:2010)

Diese Internationalen Norm legt ein Verfahren zur Beurteilung der Korrosionsbeständigkeit von Metallen mit
Hilfe einer Wechseltauchprüfung in Salzlösung, mit oder ohne mechanischer Beanspruchung fest.
Die Prüfung ist besonders als Prüfung zur Qualitätssteuerung bei der Herstellung von Metallen (einschließlich
Aluminiumlegierungen und Eisenwerkstoffen) sowie bei der Entwicklung von Legierungen für Bewertungszwecke
geeignet.
In Abhängigkeit von der chemischen Zusammensetzung der Prüflösung kann die Prüfung angewendet
werden, um die Korrosionswirkung von Meerwasser in der Spritzwasserzone, von Enteisungsflüssigkeiten
sowie von einer säure- und salzhaltigen Umgebung zu simulieren.
Die Benennung „Metall“ im Sinne dieser Internationalen Norm schließt metallische Werkstoffe sowohl mit als
auch ohne Korrosionsschutz ein.
Die Wechseltauchprüfung gilt für:
⎯ Metalle und deren Legierungen,
⎯ bestimmte metallische Überzüge (anodisch und kathodisch bezogen auf den Grundwerkstoff),
⎯ bestimmte Umwandlungsüberzüge,
⎯ bestimmte anodische Oxidüberzüge, und
⎯ organische Überzüge auf Metallen.
Diese Internationale Norm ist nicht anwendbar für rostfreien Stahl.

Corrosion des métaux et alliages - Essai en immersions alternées en solution saline (ISO 11130:2010)

L'ISO 11130:2010 spécifie une méthode permettant d'évaluer la résistance à la corrosion des métaux par un essai en immersions alternées en solution saline, avec ou sans application d'une contrainte.
Cet essai est particulièrement adapté comme essai de contrôle qualité effectué au cours de la production des métaux, y compris les alliages d'aluminium et les matériaux ferreux, ainsi que pour des besoins d'évaluation durant la mise au point d'alliages.
Selon la composition chimique de la solution d'essai, cet essai peut être utilisé pour simuler les effets corrosifs des projections d'eau de mer, des sels de déverglaçage ou des environnements salins acides.
Dans l'ISO 11130:2010, le terme «métal» est utilisé pour désigner tous les matériaux métalliques avec ou sans protection contre la corrosion.
L'essai en immersions alternées s'applique
aux métaux et à leurs alliages,
à certains revêtements métalliques (anodiques ou cathodiques par rapport au substrat),
à certaines couches de conversion,
à certains revêtements formés par oxydation anodique, et
aux revêtements organiques sur métaux.
L'ISO 11130:2010 n'est pas applicable aux aciers inoxydables.

Korozija kovin in zlitin - Preskus z izmeničnim potapljanjem v raztopinah soli (ISO 11130:2010)

Ta mednarodni standard določa metodo za ocenjevanje korozijske odpornosti kovin s preskusom z izmeničnim potapljanjem v raztopinah soli, z uporabo obremenitve ali brez. Preskus je primeren predvsem za nadzor kakovosti med proizvodnjo kovin, vključno z aluminijevimi zlitinami in železnimi materiali, in tudi za ocenjevanje med razvijanjem zlitine. Odvisno od kemične sestave preskusne raztopine se preskus lahko uporablja za simulacijo jedkih učinkov območij pljuskanja morja, tekočin za odtajanje in okoljih s kislimi solmi. Izraz »kovina«, kot se uporablja v tem mednarodnem standardu, vključuje kovinske materiale z zaščito proti koroziji ali brez. Preskus z izmeničnim potapljanjem se uporablja pri – kovinah in njihovih zlitinah, - določenih kovinskih prevlekah (anodnih in katodnih glede na substrat), - določenih pretvorbenih prevlekah, - določenih anodnih oksidnih prevlekah, in – organskih prevlekah na kovinah. Ta mednarodni standard ne velja za nerjavno jeklo.

General Information

Status
Withdrawn
Publication Date
14-Jun-2010
Withdrawal Date
06-Mar-2018
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
07-Mar-2018

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SLOVENSKI STANDARD
SIST EN ISO 11130:2010
01-september-2010
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SIST EN ISO 11130:2000

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Corrosion of metals and alloys - Alternate immersion test in salt solution (ISO
11130:2010)
Korrosion von Metallen und Legierungen - Wechseltauchprüfung in Salzlösung (ISO
11130:2010)

Corrosion des métaux et alliages - Essai en immersions alternées en solution saline (ISO

11130:2010)
Ta slovenski standard je istoveten z: EN ISO 11130:2010
ICS:
77.060 Korozija kovin Corrosion of metals
SIST EN ISO 11130:2010 en,fr

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 11130:2010
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SIST EN ISO 11130:2010
EUROPEAN STANDARD
EN ISO 11130
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2010
ICS 77.060 Supersedes EN ISO 11130:1999
English Version
Corrosion of metals and alloys - Alternate immersion test in salt
solution (ISO 11130:2010)

Corrosion des métaux et alliages - Essai en immersions Korrosion von Metallen und Legierungen -

alternées en solution saline (ISO 11130:2010) Wechseltauchprüfung in Salzlösung (ISO 11130:2010)

This European Standard was approved by CEN on 12 June 2010.

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 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 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 and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11130:2010: E

worldwide for CEN national Members.
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SIST EN ISO 11130:2010
EN ISO 11130:2010 (E)
Contents Page

Foreword ..............................................................................................................................................................3

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SIST EN ISO 11130:2010
EN ISO 11130:2010 (E)
Foreword

This document (EN ISO 11130:2010) has been prepared by Technical Committee ISO/TC 156 "Corrosion of

metals and alloys" in collaboration with Technical Committee CEN/TC 262 “Metallic and other inorganic

coatings” the secretariat of which is held by BSI.

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 December 2010, and conflicting national standards shall be withdrawn

at the latest by December 2010.

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 11130:1999.

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 and the United Kingdom.
Endorsement notice

The text of ISO 11130:2010 has been approved by CEN as a EN ISO 11130:2010 without any modification.

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SIST EN ISO 11130:2010
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SIST EN ISO 11130:2010
INTERNATIONAL ISO
STANDARD 11130
Second edition
2010-06-15
Corrosion of metals and alloys —
Alternate immersion test in salt solution
Corrosion des métaux et alliages — Essai en immersions alternées en
solution saline
Reference number
ISO 11130:2010(E)
ISO 2010
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SIST EN ISO 11130:2010
ISO 11130:2010(E)
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ii © ISO 2010 – All rights reserved
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SIST EN ISO 11130:2010
ISO 11130:2010(E)
Contents Page

Foreword ............................................................................................................................................................iv

Introduction.........................................................................................................................................................v

1 Scope......................................................................................................................................................1

2 Normative references............................................................................................................................1

3 Principle..................................................................................................................................................2

4 Test solution ..........................................................................................................................................2

5 Apparatus...............................................................................................................................................3

6 Procedure...............................................................................................................................................4

6.1 Test conditions ......................................................................................................................................4

6.2 Test specimens......................................................................................................................................4

6.3 Test reagent ...........................................................................................................................................5

7 Calibration of the test facility ...............................................................................................................5

8 Cleaning of test specimens..................................................................................................................5

9 Assessment of results ..........................................................................................................................5

10 Test report..............................................................................................................................................6

Annex A (informative) Suggested test solutions.............................................................................................7

Annex B (informative) Suitable apparatus for alternate immersion tests in salt solution ........................10

Bibliography......................................................................................................................................................14

© ISO 2010 – All rights reserved iii
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SIST EN ISO 11130:2010
ISO 11130:2010(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.

ISO 11130 was prepared by Technical Committee ISO/TC 156, Corrosion of metals and alloys.

This second edition cancels and replaces the first edition (ISO 11130:1999), of which Annex B has been

technically revised.
iv © ISO 2010 – All rights reserved
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SIST EN ISO 11130:2010
ISO 11130:2010(E)
Introduction

Corrosion of metals is influenced by factors which can vary significantly with environmental conditions.

Therefore, corrosion resistance determined for metals during alternate immersion testing as described in this

International Standard can vary greatly with the test solution selected, the temperature during immersion and

the temperature and humidity during the drying periods of the test.

Consequently, the result of an alternate immersion corrosion test is not taken as an indication of the corrosion

resistance of the metal tested in all the different service environments where the metal can be used.

Nevertheless, results obtained by the method described in this International Standard can indicate the relative

corrosion resistance of different metals under in-service conditions, in particular when the service environment

is similar to the test solution selected. The method can also be used to test metals under an applied tensile

stress.
© ISO 2010 – All rights reserved v
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SIST EN ISO 11130:2010
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SIST EN ISO 11130:2010
INTERNATIONAL STANDARD ISO 11130:2010(E)
Corrosion of metals and alloys — Alternate immersion test in
salt solution
1 Scope

This International Standard specifies a method for assessing the corrosion resistance of metals by an

alternate immersion test in salt solution, with or without applied stress.

The test is particularly suitable for quality control during the manufacture of metals including aluminium alloys

and ferrous materials, and also for assessment purposes during alloy development.

Depending upon the chemical composition of the test solution, the test can be used to simulate the corrosive

effects of marine splash zones, de-icing fluids and acid salt environments.

The term “metal” as used in this International Standard includes metallic materials with or without corrosion

protection.
The alternate immersion test applies to
⎯ metals and their alloys,
⎯ certain metallic coatings (anodic and cathodic with respect to the substrate),
⎯ certain conversion coatings,
⎯ certain anodic oxide coating, and
⎯ organic coatings on metals.
This International Standard is not applicable to stainless steel.
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced

document (including any amendments) applies.

ISO 4628-1, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size

of defects, and of intensity of uniform changes in appearance — Part 1: General introduction and designation

system

ISO 4628-2, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size

of defects, and of intensity of uniform changes in appearance — Part 2: Assessment of degree of blistering

ISO 4628-3, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size

of defects, and of intensity of uniform changes in appearance — Part 3: Assessment of degree of rusting

ISO 4628-4, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size

of defects, and of intensity of uniform changes in appearance — Part 4: Assessment of degree of cracking

© ISO 2010 – All rights reserved 1
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SIST EN ISO 11130:2010
ISO 11130:2010(E)

ISO 4628-5, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size

of defects, and of intensity of uniform changes in appearance — Part 5: Assessment of degree of flaking

ISO 7539-1, Corrosion of metals and alloys — Stress corrosion testing — Part 1: General guidance on testing

procedures

ISO 8407, Corrosion of metals and alloys — Removal of corrosion products from corrosion test specimens

ISO 10289, Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates —

Rating of test specimens and manufactured articles subjected to corrosion tests
3 Principle

The test consists of the immersion of a test specimen, stressed in accordance with ISO 7539-1 or unstressed,

in a salt solution, followed by withdrawal and a period of drying.

The immersion/drying cycle is repeated at a given frequency for a given period. The extent of attack is then

evaluated. For many materials, this provides a more severe corrosion test than simple continuous immersion.

4 Test solution
4.1 General.

During the analysis, unless otherwise stated, use only reagents of recognized analytical grade and distilled or

demineralized water or water of equivalent purity.

The test solution shall be prepared in accordance with the prescribed specification. Otherwise, the solution

used should be the one most appropriate to the intended service conditions. Subclause 4.2 gives details of a

neutral salt solution that is suitable for simulating the corrosive effect of a marine environment.

Details of three other test solutions suitable for simulating salt-based de-icing liquid, acid salt conditions and

ocean water are given in Annex A.
4.2 Preparation.

The neutral salt solution is prepared by dissolving a sufficient mass of sodium chloride in water to give a

−1 −1 −1

concentration of 35 g⋅L ± 1 g⋅L . The water used shall have a conductivity not higher than 2 mS⋅m (equal

to 20 µS⋅cm ) at 25 °C ± 2 °C.

The maximum allowable impurity content in the sodium chloride solution shall be as given in Table 1:

Table 1 — Maximum impurity content in the sodium chloride solution
Maximum permissible
mass fraction
Impurity Remarks
Copper 0,001
Determined by atomic absorption spectrophotometry or
another method of similar accuracy
Nickel 0,001
Sodium iodide 0,1
Calculated for dry salt
Total 0,5

Prior to use, check the pH of the salt solution using electrometric measurement at 25 °C ± 2 °C or in routine

checks, with a short-range pH paper which can be read in increments of 0,3 pH units or less. If the pH value

determined is outside the range of 6,0 to 7,0, adjustments shall be made by adding dilute hydrochloric acid or

sodium hydroxide to the salt solution.
2 © ISO 2010 – All rights reserved
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SIST EN ISO 11130:2010
ISO 11130:2010(E)

The volume of the test solution should be defined by the product specification. If no specification is available, it

is recommended that the volume should be not less than 3 L per decimetre square of test specimen area.

5 Apparatus
5.1 General.
The apparatus shall include the following components.

⎯ A suitable system designed for the automatic, continuous performance of complete cycles of alternate

immersion and withdrawal of the test specimens. This system shall provide uninterrupted operation

throughout the duration of the test (see 6.1). Each test specimen shall be connected to the system using

suitable insulating material.

⎯ One or more glass or plastic containers for the reagent. Only one kind of metal, alloy or coating should be

immersed in each container. Replicate specimens can share the same container.

The system should be designed such that the time taken for full immersion or withdrawal of each specimen is

not more than 2 min.

NOTE Suitable apparatus for conducting alternate immersion tests in salt solution is illustrated schematically in

Annex B.
5.2 Materials of construction.

5.2.1 Materials of construction that come into contact with the test solution shall be such that they are not

affected by the corrodent to the extent that they can cause contamination of the solution and change its

corr
...

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