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2024
Aluminum 2024-O/T3/T4/351/851 Product Guide
Applications | Specifications | Related Videos | Mechanical and Chemical Data | Tolerances
Overview
Copper is the main alloying ingredient in 2024 aluminum. It is very strong compared to most aluminum alloys, and has average machinability, but the copper component of this alloy makes it susceptible to corrosion. Many items in this alloy are produced with a clad surface to protect the underlying material. In addition, 2024 is not considered to be weldable.
Finally, the fatigue resistance of 2024 make it a primary choice when the application is expected to be under stress or strain for prolonged periods. It is typically used in aerospace applications, bolts, clock parts, computer parts, hydraulic valve parts, nuts, pistons, and gears. If you need durable and strong aluminum material, this is an excellent choice.
Common Trade Names
UNS A92024, Al2024-O, Alclad 2024-O, AA2024-T3, Al2024-T3, Alclad 2024-T3, UNS A82024, Alclad 2024-T4/T351, Al2024-T4, UNS A82024, Alclad 2024-T851
Other Resources
Safety Data Sheet | Weight Calculator | Mill Test Reports
Products
Purchase Hex Bar 2024 | Rectangle Bar 2024 | Round Bar 2024 | Square Bar 2024 | Sample Packs 2024 | Sheet/Plate 2024 | Round Tube 2024
Applications
- Aerospace
- Marine fittings
- Electronics
- decorative hardware
- Hydraulic Equipment
- Cameras
Aluminum 2024 Specifications
ASTM | AMS |
|---|---|
| B209 | 4037 |
| B211 | 4120 |
| QQ-A-225/6 | |
| QQ-A-250/4 | |
| WW-T700/3 |
Related videos
| Physical Properties 2024 | ||||
| -O | -T3 | -T351/T4 | -T851 | |
|---|---|---|---|---|
| Density | 0.1 lb/in3 | 0.1 lb/in3 | 0.1 lb/in3 | 0.1 lb/in3 |
| Ultimate Tensile Strength | 27 ksi(bare); 26 ksi(clad) | 70 ksi(bare); 65 ksi (clad) | 67 ksi(T351); 69 ksi(T4) | 75 ksi |
| Yield Tensile Strength | 11 ksi | 50 ksi(bare); 45 ksi(clad) | 47 ksi(T351); 45 ksi(T4) | 66 ksi |
| Fatigue Strength | 13 ksi | 20 ksi | 20 ksi | 17 ksi |
| Shear Strength | 18 ksi | 41 ksi(bare); 40 ksi(clad) | 41 ksi | 43 ksi |
| Shear Modulus | 4,060 ksi | 4,060 ksi | 4,060 ksi | 3,920 ksi |
| Hardness Rockwell | Brinell | N/A | 47 | B75 | 120 | B75 | 120 | B84 | 140 |
| Elongation at Break Percentage | 20% | 18% | 13%(T351); 16%(T4) | 4.9% |
| Modulus of Elasticity | 10,600 ksi | 10,600 ksi | 10,000 ksi | 10,000 ksi |
| Poisson's Ratio | 0.33 | 0.33 | 0.33 | 0.33 |
| Machinability Percentage | 30% | 70% | 70% | 70% |
| Melting Point | 935-1,180 °F | 935-1,180 °F | 930-1,180 °F | 930-1,180 °F |
| Specific Heat | 2.1 x 10^-1 BTU/lb-°F | 2.09 x 10^-1 BTU/lb-°F | 2.1 x 10^-1 BTU/lb-°F | 2.1 x 10^-1 BTU/lb-°F |
| Thermal Conductivity | 1,340 BTU-in/hr-ft^2-°F | 840 BTU-in/hr-ft^2-°F | 840 BTU-in/hr-ft^2-°F | 1,050 BTU-in/hr-ft^2-°F |
| Electrical Conductivity | 30% IACS | 30% IACS | 30% IACS | 30% IACS |
|
Chemistry Information
|
|
Element |
Percentage |
| Al | 93.5 |
| Cr | 0.1 max |
| Cu | 3.8 - 4.9 |
| Mg | 1.2 - 1.8 |
| Fe | 0.5 max |
| Mn | 0.3 - 0.9 |
| Si | 0.5 max |
| Zn | 0.25 max |
| Ti | 0.15 max |
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