Fiber-reinforced concrete has been used for over a century to improve the mechanical properties of building concrete. The Flexural Test is one of the most common tests to measure the mechanical properties of concrete. This work is an experimental and numerical study where different depths of metal chips (1.0; 1.5; 2.0 and 2.5 mm) are used as fiber-reinforced concrete. The metal chip replaces the sand in different percentages (0%, 15%, 25% and 50%). Flexural tests and weight measures showed that the modulus of rupture and density increase with the size of the metal chips and with its percentage from 2.20 to 2.55 g/cm3 and 4.6 to 8.6 MPa, respectively. Numerical studies showed that the concrete can be simulated as elastic isotropic where Young´s Modulus can be supposed equal to the Flexural Modulus, except in the cracking stage of the concrete. The main reinforced effect of the metal chip in the concrete specimen begins after the microcracking of the concrete appears.