Aluminium / UNS A92024
2024 is a high-strength aluminium-copper-magnesium alloy with good fatigue resistance, widely used in aircraft structures and high-stress machined parts.
- UNS A92024
- Spec Aluminum Association
- Density 2.78 g/cm³
Also known as / equivalents
| System | Designation |
|---|---|
| UNS | A92024 |
| Also known as | AA2024 |
Chemical composition
| Element | Min % | Max % |
|---|---|---|
| Si | — | 0.50 |
| Fe | — | 0.50 |
| Cu | 3.8 | 4.9 |
| Mn | 0.30 | 0.9 |
| Mg | 1.2 | 1.8 |
| Cr | — | 0.10 |
| Zn | — | 0.25 |
| Ti | — | 0.15 |
| Al | Bal. | — |
Physical properties
| Property | Metric | Imperial |
|---|---|---|
| Density | 2.78 g/cm³ | 0.100 lb/in³ |
| Magnetic response | Non-magnetic | — |
Available forms & specifications
| Form | Specification | Size range |
|---|---|---|
| Sheets & plates | ASTM B209 | 0.3 mm – 6 mm |
| Extruded bars, rods & profiles | ASTM B221 | 3 mm – 500 mm |
| Drawn tube | ASTM B210 | 1/8" – 24" NB |
| Pipe | ASTM B241 | 1/8" – 24" NB |
Corrosion & temperature resistance
5xxx and 6xxx alloys have good atmospheric and marine corrosion resistance; high-strength 2xxx alloys need cladding or coating in corrosive environments.
Applications
Aluminium 2024: Aircraft structures, fasteners. Structural and architectural extrusions, marine and transport structures, machined components and aerospace parts.
Aluminium 2024 vs Aluminium 2014
| Aluminium 2024 | Aluminium 2014 | |
|---|---|---|
| UNS | A92024 | A92014 |
| Key property | Fatigue-resistant high-strength alloy | High-strength Al-Cu |
| Typical use | Aircraft structures, fasteners | Forgings, aircraft fittings, truck frames |
| Cr (wt %) | ≤ 0.10 | ≤ 0.10 |
| Ni (wt %) | — | — |
| Mo (wt %) | — | — |
| C (wt %) | — | — |
| Tensile / yield (min, MPa) | — | — |
Frequently asked questions
What is the UNS number of Aluminium 2024?
Aluminium 2024 is designated UNS A92024.
What is Aluminium 2024 used for?
Fatigue-resistant high-strength alloy. Typical uses: aircraft structures, fasteners.
Is Aluminium 2024 magnetic?
Non-magnetic.
In which forms can I buy Aluminium 2024 from Rajkamal Metals?
Coils & Strips, Sheets & Plates, Pipes & Tubes, Round Bars & Rods, Structural Sections, Custom Orders. Sizes as per standard; other sizes on request.
Do you supply a Mill Test Certificate with Aluminium 2024?
Yes. Actual values are given in the Mill Test Certificate (EN 10204 3.1) supplied with each order.
What is the difference between Aluminium 2024 and Aluminium 2014?
Aluminium 2024: fatigue-resistant high-strength alloy. Aluminium 2014: high-strength al-cu. See the comparison table on this page.
Last updated: 30 October 2026. Grade names identify the supply range; designations are not engineering equivalents. Availability, make, origin and documentation are confirmed at quotation.
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