Material number 1.1545
Treatment : spheroidised
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
strong surface decarburization 0,17 mm deep
Treatment : spheroidised
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
surface decarburization in form of lamellar pearlite
0,10 mm deep