|
Treatment : normalised (sample
from steel bars 100 mm)
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ca. 80 % ferrite ; 20 % pearlite and sorbite
|
Treatment : normalised (sample from steel
bars 100 mm)
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : longitudinal
Testing result :
ca. 80 % ferrite ; 20 % pearlite and sorbite
medium-strong segregation streaks ; particular manganese
sulfides |