Material number 1.3207
Treatment : quenched and tempered
(poured tool)
Magnification : 50 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
heat treated structure with primary carbides
hardness HV 5 : 882 - 917
Treatment : quenched and tempered (poured
tool)
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
heat treated structure with primary carbides
local eutectic (ledeburite)