Aluminum (Al)
Base Metals | Atomic Number: 13
Basic Properties
Al
13
26.982 g/mol
| Element Category | Base Metals |
|---|---|
| Atomic Number | 13 |
| Atomic Weight | 26.982 g/mol |
| Crystal Structure | Face-centered cubic (FCC) |
Crystal Structure Visualization
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Description
Aluminum is a lightweight, corrosion-resistant metal widely used in transportation, construction, and packaging.
| Density | 2.7 g/cm³ |
|---|
| Tensile Strength | 90-600 MPa |
|---|---|
| Hardness | 2.5-3 Mohs |
| Melting Point | 660.3°C |
|---|---|
| Boiling Point | 2519°C |
| Thermal Conductivity | 237 W/(m·K) |
| Electrical Conductivity | 3.77 × 10^7 S/m |
|---|
| Corrosion Resistance | Excellent (forms protective oxide layer) |
|---|
Applications
Aircraft, vehicles, construction, packaging, electrical transmission lines
Production Methods
Hall-Héroult electrolytic process
History
Isolated in pure form in 1825, commercial production began in the 1880s