7075-T6 is the high-strength aluminum alloy for parts that have to perform like a low-grade steel without the weight. Aerospace structures, performance bicycle frames, and weapons accessories are typical use cases.
Mechanical and physical properties
| Property | Value |
|---|---|
| Tensile strength | 572 MPa |
| Yield strength | 503 MPa |
| Elongation at break | 11% |
| Density | 2.81 g/cm³ |
| Modulus | 71.7 GPa |
| Hardness | 150 HB |
| Max service temperature | 120 °C |
| Machinability rating | Good |
| Anodize quality | Acceptable |
Process compatibility
| Process | Suitability | Notes |
|---|---|---|
| CNC milling | Excellent | Standard for aerospace structural. |
| CNC turning | Excellent | Some chip stringing — break with a peck cycle. |
| Sheet metal | Limited | 7075 is brittle in bending. |
| Welding | Not recommended | Galvanic corrosion risk and HAZ degradation. |
| 3D printing | Not applicable | — |
Typical applications
- Aerospace structural fittings and brackets.
- Performance bicycle and motorcycle components.
- Tooling and jigs requiring stiffness.
- Marine fittings (with surface protection).
Corrosion notes
7075 corrodes faster than 6061. Hardcoat anodize, conversion coatings, or paint are usually required for any outdoor or humid environment.
Specifying it on Uretyco
- 1Pick 7075-T6 from the dropdown
Available in plate, bar, and round stock.
- 2Plan a protective finish
Hardcoat (Type III) for wear, alodine for marine.
- 3Avoid welds in the design
Use bolted or riveted joints.
- 4Request MTR for aerospace
Aerospace quotes include MTR by default; commercial orders on request.
Related materials
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