Renewed formation of pearlite - 1.7709
Treatment : spheroidised
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ca. 40 % renewed formation of pearlite
in the annealing structure
Treatment : spheroidised
Magnification : 1000 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ca. 40 % renewed formation of pearlite
in the annealing structure