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ISO 18089:2015

Current
Current

The latest, up-to-date edition.

Corrosion of metals and alloys Determination of the critical crevice temperature (CCT) for stainless steels under potentiostatic control
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

French, English

Published date

05-11-2015

ISO 18089:2015 describes the procedure for determining the critical crevice temperature (CCT) for stainless steels under potentiostatic control.

The principal advantage of the test is the rapidity with which the CCT can be measured in a single test procedure. The CCT, as determined in this International Standard, can be used as a relative index of performance, for example, to compare the relative performance of different grades of stainless steel.

The test described in this International Standard is not intended to determine the temperature at which crevice corrosion will occur in service.

This method is not intended for materials with critical pitting temperature (CPT) values below 20 C measured in accordance with ISO 17864, when measured in the same test solution and at the same potential

DevelopmentNote
Supersedes ISO/DIS 18089. (11/2015)
DocumentType
Standard
Pages
13
PublisherName
International Organization for Standardization
Status
Current

Standards Relationship
NF ISO 18089 : 2016 Identical
NEN ISO 18089 : 2015 Identical
BS ISO 18089:2015 Identical

ISO 17864:2005 Corrosion of metals and alloys Determination of the critical pitting temperature under potientiostatic control
ISO 8044:2015 Corrosion of metals and alloys Basic terms and definitions
ASTM G 150 : 2013 Standard Test Method for Electrochemical Critical Pitting Temperature Testing of Stainless Steels
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 18070:2015 Corrosion of metals and alloys Crevice corrosion formers with disc springs for flat specimens or tubes made from stainless steel

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