Thus, the volume of scrap that is generated is enormous and comes from various fields such as those mentioned above. In fact, scrap is the main industry that reuses materials that are not biodegradable. Whether ferrous or non-ferrous, all scrap is reusable and can be very valuable. Not for nothing is the scrap recycling business implanted all over the world. When the objects manufactured with them fall into disuse, steel and iron, as well as the rest of metals, can be recycled again and again, without prejudice to their quality . Smelting in furnaces is usually the final stage of a complex process that will result in a new useful material. This is the sense of scrap recycling: to become, after this process, new products . In this way, it contributes to the conservation of the environment , since less waste is generated, it is consume fewer natural resources and reduce water and air pollution. And in the strictly economic plane , scrap recycling means energy savings, less water consumption and waste of raw materials. These reasons, in view of the evidence that natural resources are limited and the need to save energy and save in the process, highlight the importance of raising awareness, valuing and encouraging the proper recovery of waste materials related to scrap.