Material number 1.2714
Treatment : spheroidised
Magnification : 100 : 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 : 1000 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse / SEP1520
Testing result :
FA 1.9 CG 2.0 - 2.1 PA
3.0