Estudio y caracterización del acero A36 tratado térmicamente como sustituto para la fabricación de tanques mezcladores de hormigón

Abstract

In this work, A36 steel, a base material in the manufacture of concrete mixing tanks, was studied and characterized to verify the feasibility of its construction from the same thermally treated material (tempered and/or cemented). For the stated purposes, mechanical, metallographic, chemical composition analysis and wear of A36 steel were carried out without heat treatment and thermal treatment; the behavior of the latter was analyzed, and the heat-treated steel was found to have better mechanical characteristics, greater wear resistance and hardness than a36 steel without heat treatment. However, the heat-treated steel did not support the application of loads perpendicular to its plane, so they do not meet one of the essential parameters for the manufacture of these tanks which is the bending of the material. The inability of the material to be rolled was the result that led to the dismissal of a thermally treated A36 steel as a substitute for the manufacture of concrete mixing tanks. Finally, the tempering of the A36 steel is suggested and the use of this as a patch covering the areas where the tank suffers the most wear to mitigate the effect produced by the concrete.