|
Treatment : untreated
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
surface decarburization 0,05 mm deep |
Treatment : untreated
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
sorbitic microstructure with light amounts of pearlite |