Material number 1.2510
Treatment : spheroidised
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
surface decarburization in form of
carbide decrease 0,05 mm deep
Treatment : spheroidised
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
surface decarburization in form of carbide decrease and
local lamellar pearlite 0,10 mm deep ; complete
decarburization and grain boundary oxidation 0,01
mm deep