This article was originally published with the title “Special Properties of Eutectoid Steel” in SA Supplements Vol. 85 No. 2202supp (March 1918), p. 176 doi:10.1038/scientificamerican03161918 ...

FOR the sake of simplicity, we shall consider the case of an eutectoid steel ; if the steel is cooled slowly from the austenitic region, a well-known pearlite structure is formed in crossing the ...