Bad heat treated structure - 1.7225
Treatment : quenched and tempered
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : longitudinal
Testing result :
heat treated structure with bainite transformation
Treatment : quenched and tempered
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : longitudinal
Testing result :
heat treated structure with bainite transformation