



2A17 aluminum sheet is a heat-treatable aluminum–copper–magnesium alloy in the 2xxx series. It is characterized by high strength, good fatigue resistance, and excellent machinability. Due to its balanced mechanical properties and reliable performance, 2A17 is widely used in aerospace, aviation, and general engineering applications that require both strength and precision.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 2A17 |
| Chemical Composition (%) | Cu 3.5–4.5, Mg 0.4–0.8, Mn 0.4–1.0, Fe ≤ 0.50, Si ≤ 0.50, Zn ≤ 0.30, Ti ≤ 0.15, Al Balance |
| Series | 2000 Series (Al-Cu-Mg) |
| Temper | O, T4, T6 |
| Thickness (mm) | 0.5 – 200 |
| Width (mm) | 100 – 2600 |
| Length (mm) | 2000 – 6000 |
| Surface Finish | Mill Finish, Alclad, Anodized, Painted |
| Standard | GB/T 3880, ASTM B209 (Equivalent to 2017) |
Description
Features
- High Mechanical Strength
Provides high strength after heat treatment, making it suitable for structural and load-bearing applications.
- Good Fatigue Resistance
Performs reliably under cyclic loading and vibration, suitable for aerospace and transportation components.
- Excellent Machinability
Easy to machine, drill, and mill with good surface finish and dimensional accuracy.
- Heat Treatable Alloy
Mechanical properties can be significantly enhanced through solution heat treatment and artificial aging.
- Stable and Proven Performance
A mature alloy with long-term application history in aviation and industrial fields.
Applications
- Aircraft and aerospace structural parts.
- Aviation fittings and connectors.
- High-strength mechanical components.
- Precision engineering parts.
- Military and defense equipment.
















