Examinations at the material 1.3505
Treatment : 30 min. 860°
C / oil
Magnification : 200 : 1
Etching medium : Klemm-I - etching period 70 seconds
Sampling / Specification : transverse
Testing result :
fine-grained martensitic microstructure
with a greater amounts of undissolved carbides
no retained austenite to observe
Treatment : 30 min. 1000° C / oil
Magnification : 200 : 1
Etching medium : Klemm-I - etching period 70 seconds
Sampling / Specification : transverse
Testing result :
coarse-grained martensitic microstructure
without undissolved carbides
greater amounts of retained austenite to observe