Material number 1.1249
Treatment : untreated
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : longitudinal
Testing result :
outside the core segregation
ca. 5 % ferrite ; 55 % pearlite ; 45 % sorbite
Treatment : untreated
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : longitudinal
Testing result :
core segregation
ca. 30 % pearlite ; 70 % sorbite