Stress corrosion cracking at a screw - 1.4404
Treatment : solution annealed
, cold formed
Magnification : 10 : 1
Etching medium :
Sampling / Specification : surface of the screw
Testing result :
at the break :
strong corrosion and formation of rust
Treatment : solution annealed , cold formed
Magnification : 10 : 1
Etching medium :
Sampling / Specification : surface of the screw
Testing result :
transition to the screw shank :
strong corrosion and formation of rust