About Aluminum
Aluminum Sheet
Aluminum Plate
Aluminum Tube and Pipe
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The 2xxx-7xxx 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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