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AW 7021


This aluminium is produced from AW 7021 "Cast" obtained by casting process. It fills a gap between medium and high resistance alloys, the latter being in many cases undervalued. It is characterized by a very low microporous homogeneous structure, excellent machinability and high resistance.

Chemical Composition (% Weight)


Elements Si Fe Cu Mn Mg Cr Zn Ti Zr Al
Min - - - - 1.2 - 5 - 0.08 -
Max 0.25 0.4 0.25 0.1 1.8 0.05 6 0.1 0.18 Resto

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Format

Polishing

Machinability

Weldability

Electrical/Thermal

Conductivity

≈ 120 HB

Brinell Hardness

2.80

Density

MAIN CHARACTERISTICS


- High strength aluminum plates

- Very good dimensional stability

- Low internal stress

- Good weldability

- Good corrosion resistance
 

APPLICATIONS


- Manufacture of tools, molds and patterns

- Injection Molds

- Construction of machinery and equipment

- Base plates, table tops and mounting plates