Norm

NEN-ISO 6957:1988 en

Koperlegeringen - Ammoniaproef voor de weerstand tegen spanningscorrosie

31,57

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie Non-ferro
Gepubliceerd op 01-12-1988
Taal Engels
This International Standard specifies a test, using an ammoniacal atmosphere, for the detection of applied or residual stresses in copper alloy products which can cause failure of the material in service or storage through stress corrosion cracking. The method can also be used for testing assemblies and partial assemblies (of limited size). This method is relatively simple to carry out and its severity can be regulated by changing the pH value of the solution producing the ammoniacal atmosphere. The appropriate pH-value for the test shall be specified in the product specification or agreed upon with respect to the alloy and its application. In annex A, recommendations are given for the choice of pH-values to be used for some frequently occuring applications.

Details

ICS-code 77.060
Nederlandse titel Koperlegeringen - Ammoniaproef voor de weerstand tegen spanningscorrosie
Engelse titel Copper alloys - Ammonia tests for stress corrosion resistance

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