Why Aluminum Matters
Aluminum is the most abundant metal in Earth's crust and the second most-used metal after steel:
- Transportation: Aircraft, automobiles, and rail vehicles rely heavily on aluminum
- Packaging: Beverage cans, foil, and food containers
- Construction: Window frames, curtain walls, and structural components
- Electrical: Power transmission lines (lighter alternative to copper)
- Consumer Electronics: Laptop cases, smartphone bodies, and heat sinks
Aluminum Market Benchmarks
Aluminum is traded globally on major exchanges:
- LME (London Metal Exchange): The primary global aluminum benchmark
- SHFE (Shanghai Futures Exchange): Major Asian aluminum market
- CME Group: US aluminum futures
Aluminum Grades
Common aluminum grades and their uses:
- Primary (P1020): 99.7% pure - LME deliverable standard
- High-Purity: 99.99%+ pure - Electronics and specialty applications
- Alloy Series: 1xxx-8xxx series for different applications (aerospace, marine, structural)
- Scrap Aluminum: Recycled from cans, extrusions, and castings