Material number 1.2721
Treatment : spheroidised
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
medium-strong segregations
Treatment : spheroidised
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse / SEP1520
Testing result :
FA 1.9 CG 2.0 - 2.1 PA
3.3
dense crystalline structure