| Property |
Specification |
| Material |
Ferrous (iron, steel), non-ferrous (aluminum, copper) |
| Size |
1 to 5 feet |
| Shape |
Irregular: engine parts (blocks, pistons, etc.) |
| Density |
Steel: 7.85 g/cm³ (varies by part) |
| Weight |
50 kg to 500 kg |
| Surface |
Rusty, oily, or coated |
| Magnetism |
Ferrous: Magnetic, Non-ferrous: Non-magnetic |
| Moisture |
May have oil, coolant, or moisture |
| Color |
Grey, silver, rust stains |
| Impurities |
Dirt, oil, rust, coolant residues |
| Temperature |
High-temperature resistance |
| Hardness |
Hard (due to steel, cast iron) |