ISO 12732:2006
Current
The latest, up-to-date edition.
Corrosion of metals and alloys Electrochemical potentiokinetic reactivation measurement using the double loop method (based on Cihal's method)
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English, French
01-09-2006
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ISO 12732:2006 specifies the method for measuring the degree of sensitization (DOS) in stainless steel and nickel-based alloys using the Double Loop Electrochemical Potentiokinetic Reactivation (DL-EPR) test (based on Cihal's method).
The method may be used for the quantitative assessment of deleterious thermal effects resulting in the formation of alloy-element-depleted zones at grain boundaries or in the matrix. However, attention should be paid when testing heat-affected weld zones, due to possible non-uniform distribution of sensitized zones along the fusion lines.
The results of the test can be used as an index to identify the potential susceptibility of stainless steel and nickel-based alloys to intergranular corrosion, pitting corrosion, and intergranular-stress corrosion cracking, but prediction of these corrosion modes depends on complementary specific testing.
ISO 12732:2006 describes the general methodology and gives examples of suitable test exposure conditions for specific alloys.| DevelopmentNote |
Supersedes ISO/DIS 12732 (09/2006)
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| DocumentType |
Standard
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| Pages |
14
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| PublisherName |
International Organization for Standardization
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| Status |
Current
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| Standards | Relationship |
| NF EN ISO 12732 : 2008 | Identical |
| NBN EN ISO 12732 : 2008 | Identical |
| NEN ISO 12732 : 2006 | Identical |
| NEN EN ISO 12732 : 2008 | Identical |
| NS EN ISO 12732 : 1ED 2008 | Identical |
| I.S. EN ISO 12732:2008 | Identical |
| PN EN ISO 12732 : 2011 | Identical |
| SN EN ISO 12732:2008 | Identical |
| UNI EN ISO 12732 : 2008 | Identical |
| UNE-EN ISO 12732:2008 | Identical |
| BS EN ISO 12732:2008 | Identical |
| BS ISO 12732 : 2006 | Identical |
| EN ISO 12732:2008 | Identical |
| DIN EN ISO 12732:2008-07 | Identical |
| PNE-prEN ISO 12732 | Identical |
| ISO 8044:2015 | Corrosion of metals and alloys Basic terms and definitions |
| ISO 643:2012 | Steels Micrographic determination of the apparent grain size |
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