Material number 1.0037
Treatment : untreated
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : longitudinal
Testing result :
ca. 80 % ferrite ; 20 % pearlite
Treatment : untreated
Magnification : 1000 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : longitudinal
Testing result :
ca. 80 % ferrite ; 20 % pearlite