Stress crack / intercrystalline corrosion tests

The following tests are applied when parts or components are exposed to a strongly oxidising medium. In each case the intrinsic resistance or the supplied state of the material is tested with respect to intercrystalline corrosion.

Stress corrosion testing

DIN 50908
Testing the resistance of aluminium wrought alloys to stress corrosion cracking

DIN 50915
Testing the resistance of unalloyed and low alloy steels to intergranular stress corrosion cracking by attack of nitrate medium; welded and unwelded materials 

DIN 50916-1
Testing of copper alloys; stress corrosion cracking test in ammonia, testing of tubes, rods and profiles 

DIN 50916-2
Testing of copper alloys; stress corrosion cracking test using ammonia; testing of components

ISO 6957
Copper alloys; ammonia test for stress corrosion resistance

Tests for resistance against intercrystalline corrosion
 

DIN EN ISO 3651-1 (Huey test)
Determination of resistance to intergranular corrosion of stainless steels

DIN EN ISO 3651-2 (Strauss test)
Determination of resistance to intergranular corrosion of stainless steels

ASTM A 262
Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

ASTM G 67
Standard Test Method for Determining the Susceptibility to Intergranular Corrosion of 5XXX Series Aluminum Alloys by Mass Loss After Exposure to Nitric Acid (NAMLT Test)

GOST 6032
Corrosion-resistant steels and alloys. Test methods of intercrystalline corrosion resistance 

Quick test as per Bauer et al.,
ATZ 12 (2012) 1004-1010