|
Treatment : spheroidised
Magnification : 50 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
surface decarburization 0,40 mm deep
color etching test / color ring method |
Treatment : spheroidised
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
surface decarburization 0,40 mm deep
color etching test / color ring method |