Procedure to improve the mechanical properties of a steel. (Machine-translation by Google Translate, not legally binding)

摘要

"Process for improving the mechanical properties of a steel, and providing it with a desirable combination of strength and ductility values under semifinishing conditions, so that when worked at sub-recrystallization temperatures it has an elastic limit of at least 10, 55 Kg/cm2 and such a ductility that provides, at least, an elongation of 10% in 50.8 mm and a section reduction of at least 38%, characterized in that it comprises carrying out the fusion of the iron, which contains the impurities usual, in the presence of 0.4 to 0.55%, preferably from 0.45 to 0.5% C, from 1.25 to 1.75%, preferably 1.35% 1.65% Mn, from 0.15 to 0.4%, preferably from 0.2 to 0.3% Si and from 0.15 to 0.5%, preferably from a 0.2 to 0.3% Al. (Machine-translation by Google Translate, not legally binding)