About Aluminum
Aluminum Sheet
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Intro

 

Aluminum organized by series numbers or “families”

 

Alloy Family Principal Alloying Element Feature Common Use
1xxx None 99% minimum pure aluminum Electrical conductor
2xxx Copper Very high strength Aircraft
3xxx Manganese Strength, formability Siding, ductwork, roofing
4xxx Silicon Joining Welding products
5xxx Magnesium Corrosion resistance Boats, marine applications
6xxx Magnesium and Silicon Strength Structural shapes, pipe
7xxx Zinc Very high strength Aircraft

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