Material number 1.2328
Treatment : spheroidised
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
no surface decarburization
complete decarburization and
grain boundary oxidation 0,01 mm deep
Treatment : spheroidised
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
no surface decarburization
complete decarburization and
grain boundary oxidation 0,01 mm deep