| Property | Specification |
| Appearance | Varies by metal (e.g., copper: reddish-brown, aluminum: silvery-white) |
| Physical State | Solid |
| Type | Ferrous (e.g., iron, steel) and Non-ferrous (e.g., copper, aluminum) |
| Density | 2.7 – 11.3 g/cm³ (depending on metal type) |
| Melting Point | 231°C – 1540°C (tin to steel range) |
| Magnetic Properties | Ferrous metals are magnetic; non-ferrous are non-magnetic |
| Hardness (Mohs Scale) | 2 – 8 (varies by metal) |
| Corrosion Resistance | High for stainless steel, aluminum; low for iron |
| Impurities | Can include plastic, rubber, dirt, paint, and mixed metals |
| Moisture Content | Should be minimal, typically < 1% |
| Odor | Odorless |
| Size/Shape | Sheets, wires, rods, turnings, pipes, castings, etc. |
| Packaging | Loose, baled, bundled, or in jumbo bags |
