About Aluminum
Aluminum Sheet
Aluminum Plate
Aluminum Tube and Pipe
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The 1xxx Family Continued

 

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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