Material number 1.1525
Treatment : untreated
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
no surface decarburization
Treatment : untreated
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
sorbitic microstructure
with something pearlite and ferrite