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Norm

ISO 6957:1988

Issue date: 1988 09 15

Copper alloys — Ammonia test for stress corrosion resistance

Specifies a test, using an ammoniacal atmosphere, for the detection of applied or residual stresses which can cause failure of the material in service or storage through ...
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Valid
Publisher:
International Organization for Standardization
Format:
Digital | 3 Pages
Language:
English
ICS
77.060
Topics
Construction products, Surface treatment, Corrosion of metals Chemistry, paper & textiles, Surface treatment, Corrosion of metals Mechanical engineering foundations & materials, Surface treatment, Corrosion of metals

Specifies a test, using an ammoniacal atmosphere, for the detection of applied or residual stresses which can cause failure of the material in service or storage through stress corrosion cracking. The severity of the method can be regulated by changing the pH value. In an informative annex, recommendations are given for the choice of pH-values.