Steel is renewable resources
However, the reserves of iron ore on the earth are certain, the less the more exploitation. As China's iron ore has been unable to meet the huge demand of metallurgical industry, annual imports from Australia, Brazil, Peru, India and other places to amount to 60%, become a national resources to contain our means. From this point of view, steel is not renewable.
The utility model is made of steel or iron, and is made into various articles, and once discarded, the utility model can be used to make a new iron and steel through an electric furnace or to be incorporated into the converter to be used as a renewable resource
Steel is actually a different form of metal iron in nature. Natural iron is present in the form of iron oxide on the earth.