Material number 1.0570
Treatment : untreated
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
weak surface decarburization 0,07 mm deep
Treatment : untreated
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
ca. 65 % ferrite ; 5 % pearlite ; 30 % sorbite
fine-grained crystalline structure without
significant segregations