7079 aluminium alloy
7079 aluminium alloy (UNS designation A97079) is a high strength, heat treatable wrought aluminium alloy used in the aircraft industry. Age-hardening heat treatment enhances the characteristics of AL 7079, eliminating variations in characteristics seen in Aluminium 7075.[1]
AL 7079 alloy chemistry [2]
| Zn | Mg | Cu | Fe | Si | Mn | Cr | Ti | Remainder (each) | Remainder (total) | Al | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MIN | 3.8 | 2.9 | .4 | -- | -- | .1 | .1 | -- | -- | -- | |
| MAX | 4.8 | 3.7 | .8 | .4 | .3 | .3 | .25 | .1 | .5 | .15 | Remainder |
AL 7079 alloy applications[3]
- Mobile industry equipment
- Aircraft parts, including wing panels and bulkhead assemblies
- Hydraulic units
- Highly stressed parts
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