Rest of scale after the grinding - 1.4305
Treatment : solution annealed
Magnification : 10 : 1
Etching medium :
Sampling / Specification : steel bar surface
Testing result :
black colored holes and narrow longitudinal defects
on the ground surface
Treatment : solution annealed
Magnification : 25 : 1
Etching medium :
Sampling / Specification : steel bar surface
Testing result :
black colored holes and narrow longitudinal defects
on the ground surface