Material number 1.2833
Treatment : spheroidised
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
strong surface decarburization 0,16 mm deep
complete decarburization 0,02 mm
grain boundary oxidation 0,01 mm
Treatment : spheroidised
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
strong surface decarburization 0,16 mm deep
complete decarburization 0,02 mm
grain boundary oxidation 0,01 mm