Rolled in foreign material - 1.7076
Treatment : spheroidised
Magnification : 6,5 : 1
Etching medium :
Sampling / Specification : surface of the shank
Testing result :
strong cracks and scabby defects
on the surface
Treatment : spheroidised
Magnification : 16 : 1
Etching medium :
Sampling / Specification : surface of the shank
Testing result :
strong cracks and scabby defects
on the surface