Material number 1.2242
Treatment : spheroidised
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
weak surface decarburization 0,11 mm deep
grain boundary oxidation 0,01 mm deep
Treatment : spheroidised
Magnification : 1000 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse / SEP1520
Testing result :
FA 1.9 CG 2.0 - 2.2 PA
3.1