Strong complete decarburization - 1.1520
Treatment : untreated
Magnification : 50 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
strong complete decarburization 0,16 mm deep
pure ferritic zone
with a little rougher stalk like grains
Treatment : untreated
Magnification : 200 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
strong complete decarburization 0,16 mm deep
pure ferritic zone
with a little rougher stalk like grains