Attribute |
Specification |
Type |
Iron Ore (commonly Hematite or Magnetite) |
Appearance |
Lumpy, granular, or fine powder |
Color |
Reddish-brown, dark grey, or black (depends on type) |
Iron (Fe) Content |
Typically 58% to 65% (depending on grade) |
Moisture Content |
≤ 8% (for fines); varies for lumps and pellets |
Silica (SiO₂) |
2% to 6% (varies with origin and processing) |
Alumina (Al₂O₃) |
≤ 2.5% |
Phosphorus (P) |
≤ 0.08% |
Sulphur (S) |
≤ 0.03% |
Density |
4.8 to 5.3 g/cm³ (approximate) |
Melting Point |
Around 1,538°C (pure iron) |
Hardness |
5.5 to 6.5 on Mohs scale |
Form |
Lumps (10–40 mm), Fines (<10 mm), or Pellets (8–18 mm) |
Magnetism |
Magnetite is magnetic; Hematite is weakly magnetic |
Typical Uses |
Steel production, iron smelting, heavy industry |