Material number 1.1231
Treatment : normalised
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ca. 15 % ferrite ; 85 % pearlite and sorbite
Treatment : normalised
Magnification : 1000 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ferrite , pearlite and sorbite