Stress crack - 1.8519
Treatment : quenched and tempered
Magnification : 12,5 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
stress crack 1,80 mm deep
Treatment : quenched and tempered
Magnification : 200 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
scaled crack configuration and scaled crack edges
with grain boundary oxidation