Objavljen
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.
OBJAVLJEN
ISO 6957:1988
90.93
Odluka o potvrđivanju standarda
4. 7. 2025.
Ispitivanje otpornosti bakra i legura bakra prema naponskoj koroziji u amonijačnoj sredini
95.99 Povučen
Legure bakra - Ispitivanje otpornosti na naponsku koroziju u amonijačnoj sredini
30.98 Projekat se briše iz plana rada komisije za standarde