main characteristics
- High resistance aluminium plates
- Very good dimensional stability
- Low internal stress
- Good weldability
- Good resistance to corrosion
AW 7021
Aluminium obtained by CAST process, with high mechanical resistance, designed for the manufacturing of tools, moulds and other applications where a good dimensional stability is required.
Chemical Composition (% Weight)
| Elements | Si | Fe | Cu | Mn | Mg | Cr | Zn | - | 0.08 | 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 | Remainder |
Polishing
Machinability
Weldability
Electrical/Thermal
Conductivity
120 HB
Brinell Hardness
2.80
Density
Applications
- Manufacturing of tools, moulds and models
- Injection moulds
- Construction of machinery and equipment
- Base plates, table tops and mounting plates