Please don't leave. I found that your box has Ns 64.0. I fixed it to 128 and put another one of the same on the floor. I assigned a texture to all sides at a scale of 1%. The strongest reflection effect is obtained with sliding illumination from the sun, not in the forehead. The sun kills reflections. The brightest reflections are obtained in shadow areas. Therefore, this method is a bit strange for general consumption. But with skillful application, it allows you to get the appearance of metal in a strange way. I have already said that this is a very strange and non-standard way, it is wrong. Your render settings didn't seem to work, everything remained on the standard settings. I made the maximum move, set the OtherLens value to 0. Render 1 minute. the file with the corrections is here
