Burst at the bulging - 1.7709
Treatment : spheroidised
Magnification : 6,5 : 1
Etching medium :
Sampling / Specification : bulge area - sample 1
Testing result :
through a surface defect the bulge part is burst
Treatment : spheroidised
Magnification : 16 : 1
Etching medium :
Sampling / Specification : wire surface - sample 2
Testing result :
surface defect in longitudinal direction