Material number 1.1302
Treatment : untreated
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ca. 25 % ferrite ; 75 % pearlite and sorbite
Treatment : untreated
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ca. 25 % ferrite ; 25 % pearlite ; 50 % sorbite