Segregation streaks with sigma-phase - 1.4427
Treatment : untreated
Magnification : ca. 3 : 1
Etching medium :
Sampling / Specification : surface of the fracture
Testing result :
fine crystalline fracture
Treatment : untreated
Magnification : 100 : 1
Etching medium : aqua regia (V2A-pickle)
Sampling / Specification : transverse
Testing result :
ca. 40 % martensite ; 60 % ferrite