2024-T3 Aluminum Plate
Short Description:
2024-T3 aluminum plate is prized for its exceptional strength-to-weight ratio, good corrosion resistance, and excellent machinability. Its dull mill finish and semi-smooth surface make it ideal for aerospace, marine, motorsports, and precision parts.
Key Features
Alloy: 2024
Temper: T3 (solution-treated & cold-worked)
Standard: ASTM B209
Finish: Dull mill, semi-smooth
2024-T3 aluminum plate is prized for its exceptional strength-to-weight ratio, good corrosion resistance, and excellent machinability. Its dull mill finish and semi-smooth surface make it ideal for aerospace, marine, motorsports, and precision parts.
Key Features
-
Alloy: 2024
-
Temper: T3 (solution-treated & cold-worked)
-
Standard: ASTM B209
-
Finish: Dull mill, semi-smooth
2024-T3 vs. 6061-T6 Aluminum Plate
| Property | 2024-T3 | 6061-T6 |
|---|---|---|
| Tensile Strength | 440 MPa (63,800 psi) | 310 MPa (45,000 psi) |
| Yield Strength | 290 MPa (42,100 psi) | 275 MPa (40,000 psi) |
| Corrosion Resistance | Fair (requires coating) | Good (natural oxide layer) |
| Machinability | Excellent | Very good |
| Weldability | Poor | Good |
| Common Uses | Aircraft parts, gears, motorsports | Structural frames, marine fittings |
| Price Point | Higher due to copper content | More economical |
🔬 Chemical & Mechanical Specifications
Chemical Composition (wt%)
| Element | 2024-T3 Range |
|---|---|
| Aluminum (Al) | 93.5% |
| Copper (Cu) | 3.8 – 4.9% |
| Magnesium (Mg) | 1.2 – 1.8% |
| Manganese (Mn) | 0.3 – 0.9% |
| Iron (Fe) | ≤ 0.5% |
| Silicon (Si) | ≤ 0.5% |
| Chromium (Cr) | ≤ 0.1% |
| Titanium (Ti) | ≤ 0.15% |
| Zinc (Zn) | ≤ 0.25% |
Mechanical Properties
| Property | Metric | Imperial |
|---|---|---|
| Density | 2.78 g/cc | 0.10 lb/in³ |
| Ultimate Tensile Strength | 440 MPa | 63,800 psi |
| Yield Strength (0.2% offset) | 290 MPa | 42,100 psi |
| Fatigue Strength (100 k cycles) | 138 MPa | 20,000 psi |
| Shear Strength | 283 MPa | 41,000 psi |
| Melting Point | 502 – 638 °C | 935 – 1,180 °F |
| Hardness (Rockwell B) | B75 | — |
| Hardness (Brinell) | 120 HB | — |
📏 Available Plate Sizes
| Thickness | Width (in) | Length (in) | Weight (lbs/ft²) |
|---|---|---|---|
| 1/4″ | 48.50 | 144.50 | 3.636 |
| 3/4″ | 48.50 | 144.50 | 10.909 |
| 1″ | 48.50 | 144.50 | 14.540 |
| 1½″ | 48.50 | 144.50 | 21.820 |
| 2″ | 48.50 | 144.50 | 29.090 |
| 2½″ | 48.50 | 144.50 | 36.360 |
For custom cuts, special tempers, or bulk quotes, contact our sales team today. Unlock the full potential of 2024-T3 aluminum plate in your next high-performance project!
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