Scrap Metal Recycling: Conserving Valuable Resources Through Reuse Scrap metal refers to pieces of metal such as copper, aluminum, steel, iron, and other alloys that have outlived their original purpose and can no longer be used for their intended applications. At the end of its useful life cycle, metal items are discarded and end up in landfills. https://www.coherentmarketinsights.com/industry-reports/scrap-metal-recycling-market