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Aluminium Alloy 7075 is one of the highest strength alloys available.
Alloy 7075 is generally used for aerospace and structural engineering. May find uses in military applications eg. weapons.
Aerospace materials are covered by the ‘L’ series of British standards.
7075 Aluminium Alloy Data Sheet
Properties given are typical and should only be used for comparisons of alloys. Actual values will depend on section specification.
| Forming | Fair | |
| Machining | Good | |
| Welding | Not Suitable | |
| Brazing/Soldering | Not Suitable | |
| Protective Anodising | Fair | |
| Aesthetic Anodising | Poor | |
| Mechanical Properties | ||
| Temper | T6, T6510, T6511 | |
| 0.2% Proof Stress Min N/mm2 | 480, 480, 480 | |
| Ultimate Tensile Strength Min N/mm2 | 540, 540, 540 | |
| Chemical Composition EN AW-7075 | |
|---|---|
| Si | 0.40 |
| Fe | 0.50 |
| Cu | 1.2-2.0 |
| Mn | 0.30 |
| Mg | 2.1-2.9 |
| Cr | 0.18-0.28 |
| Zn | 5.1-6.1 |
| Ti | 0.20 |
| Others (each) | 0.05 |
| Others (total) | 0.15 |
| Aluminium | Remainder |
(The chemical composition of aluminium and aluminium alloys is supplied in percentage by mass. Limits are expressed as a maximum unless shown as a range or a minimum.)
| Similar and Obsolete Specifications | |
|---|---|
| L170 | L160 |
| QQ-A-200/11 | BS L95 |
| BS L96 | DIN AlZnMgCu1.5 |
| ISO AlZn6MgCu | DIN 3.4365 |
| UNS A97075 | AMS 4154 |
| AMS 4166 | AMS 4167 |
| AMS 4168 | AMS 4169 |
Capital Aluminium Extrusions Limited
