2014 T3 Aluminum Plate Sheet
2014 T3 aluminum alloy is a high-strength aluminum alloy commonly used in aerospace applications, known for its excellent mechanical properties and good corrosion resistance. It belongs to the 2xxx series aluminum alloys (aluminum-copper alloys), with copper as the primary alloying element. The 2014 T3 temper is achieved through solution heat treatment, strain hardening, and natural aging, which significantly improves the alloy's strength.
2014 aluminum alloy offers good strength, particularly in terms of tensile strength and shear strength. Due to its higher copper content, 2014 aluminum alloy has better high-temperature performance, making it suitable for high-stress and high-temperature environments. In the T3 temper, aluminum plates exhibit high yield strength and lower ductility, typically used in parts that require high strength and rigidity.
NS A82014; Alclad 2014-T3; Al2014-T3,UNS A92014; AA2014-T3
| Designation | Description |
| NS A82014 | National Standards designation for 2014 aluminum alloy |
| Alclad 2014-T3 | 2014 aluminum alloy in T3 condition with a thin layer of pure aluminum for improved corrosion resistance |
| Al2014-T3 | Alternate designation for 2014 aluminum alloy in T3 condition |
| UNS A92014 | Unified Numbering System designation for 2014 aluminum alloy |
| AA2014-T3 | Aluminum Association designation for 2014 aluminum alloy in T3 condition |
Alclad refers to a process where a thin layer of pure aluminum is bonded to the aluminum alloy to enhance corrosion resistance.
2014 T3 Aluminum Plate Sheet Corrosion Resistance
2014 aluminum alloy has relatively poor corrosion resistance, particularly with low resistance to salt spray. Therefore, surface treatment is typically required in practical applications to improve its corrosion resistance.
Common surface treatments include anodizing, electroplating, or coating with protective aluminum alloy layers. To enhance corrosion resistance, 2014 aluminum alloy is sometimes treated with an aluminum cladding (Alclad) layer.
2014A-T3 Clad Sheet
Alclad 2014 T3 refers to a thin layer of pure aluminum protective coating applied over the 2014 aluminum alloy. This pure aluminum layer effectively enhances the material's corrosion resistance while maintaining the strength characteristics of the 2014 aluminum alloy.
Alclad 2014 T3 Typical Mechanical Properties
| Grade | Condition | 0.2% Proof Stress (MPa) | Tensile Strength (MPa) | Elongation (%) |
| Alloy L163 | results from 1.6 - 6.0mm T3 | 250 | 390 min | 7 |
What is 2024 T3 Aluminum Used For?
2014 T3 aluminum alloy, due to its high strength and good high-temperature performance, is widely used in components that need to withstand high stress and elevated operating temperatures, especially in the aerospace industry. Typical applications include:
- Aircraft structural components: such as wings, fuselage, skin, wing spars, etc.
- Aircraft frames and support structures
- Load-bearing components in aerospace applications
- High-strength fasteners: such as bolts, nuts, etc.
2014 T3 Aluminum Technical Data Sheet
| 2014 T3 Aluminum Physical Properties | Metric | English | Comments |
| Density | 2.80 g/cc | 0.101 lb/in³ | |
| 2014 T3 Aluminum Mechanical Properties | Metric | English | Comments |
| Tensile Strength, Ultimate | >= 405 MPa @Thickness 0.508 - 0.991 mm | >= 58700 psi @Thickness 0.0200 - 0.0390 in | Flat sheet |
| >= 405 MPa @Thickness 1.02 - 6.32 mm | >= 58700 psi @Thickness 0.0400 - 0.249 in | Flat sheet | |
| Tensile Strength, Yield | >= 240 MPa @Thickness 0.508 - 0.991 mm | >= 34800 psi @Thickness 0.0200 - 0.0390 in | Flat sheet |
| >= 250 MPa @Thickness 1.02 - 6.32 mm | >= 36300 psi @Thickness 0.0400 - 0.249 in | Flat sheet | |
| Elongation at Break | 14 % @Thickness 1.02 - 6.32 mm | 14 % @Thickness 0.0400 - 0.249 in | Flat sheet |
| 15 % @Thickness 0.508 - 0.991 mm | 15 % @Thickness 0.0200 - 0.0390 in | Flat sheet | |
| Modulus of Elasticity | 72.4 GPa | 10500 ksi | |
| Compressive Modulus | 73.8 GPa | 10700 ksi | |
| Poissons Ratio | <= 0.33 | <= 0.33 | |
| Shear Modulus | 28.0 GPa | 4060 ksi | |
| 2014 T3 Aluminum Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.00000510 ohm-cm | 0.00000510 ohm-cm | |
| 2014 T3 Aluminum Thermal Properties | Metric | English | Comments |
| CTE, linear | 20.8 µm/m-°C @Temperature -50.0 - 20.0 °C | 11.6 µin/in-°F @Temperature -58.0 - 68.0 °F | |
| 22.5 µm/m-°C @Temperature 20.0 - 100 °C | 12.5 µin/in-°F @Temperature 68.0 - 212 °F | ||
| 23.4 µm/m-°C @Temperature 20.0 - 200 °C | 13.0 µin/in-°F @Temperature 68.0 - 392 °F | ||
| 24.4 µm/m-°C @Temperature 20.0 - 300 °C | 13.6 µin/in-°F @Temperature 68.0 - 572 °F | ||
| Thermal Conductivity | 134 W/m-K | 930 BTU-in/hr-ft²-°F | |
| 2014 T3 Aluminum Component Elements Properties | Metric | English | Comments |
| Aluminum, A | 90.45 - 95 % | 90.45 - 95 % | |
| Chromium, Cr | <= 0.10 % | <= 0.10 % | |
| Copper, Cu | 3.9 - 5.0 % | 3.9 - 5.0 % | |
| Iron, Fe | <= 0.70 % | <= 0.70 % | |
| Magnesium, Mg | 0.20 - 0.80 % | 0.20 - 0.80 % | |
| Manganese, Mn | 0.40 - 1.2 % | 0.40 - 1.2 % | |
| Other, each | <= 0.050 % | <= 0.050 % | |
| Other, tota | <= 0.15 % | <= 0.15 % | |
| Silicon, Si | 0.50 - 1.2 % | 0.50 - 1.2 % | |
| Titanium, Ti | <= 0.15 % | <= 0.15 % | |
| Zinc, Zn | <= 0.25 % | <= 0.25 % |
2014 T3 Aluminum Plate Heat Treatment Process
- Solution Heat Treatment: First, the aluminum alloy is heated to a high temperature (approximately 500°C to 540°C) for solution treatment, allowing the copper in the alloy to fully dissolve into the aluminum matrix.
- Strain Hardening: The alloy is then cold worked (e.g., rolling, stretching, etc.) to induce plastic deformation, thereby increasing the material's strength.
- Natural Aging: Through natural aging, the material is allowed to sit at room temperature for a period of time (usually several hours to days), allowing its internal molecules to rearrange and further enhance its strength.
2014 T3 aluminum plates offer excellent high strength, good high-temperature performance, and moderate hardness, making them suitable for structural components that bear significant loads. However, their relatively low ductility and poor corrosion resistance require proper surface protection and treatment during use. Particularly in the aerospace industry, 2014 T3 aluminum alloy is widely used in aircraft structures and other applications where high strength and high-temperature performance are essential.
What is the difference between T3 and T4 aluminum?
Difference between T3 and T4 Aluminum
T3 Condition: T3 aluminum is solution heat-treated, strain-hardened, and then naturally aged. This process results in increased strength due to the introduction of dislocations from the strain hardening, while natural aging helps to stabilize the material.
T4 Condition: T4 aluminum is solution heat-treated and naturally aged, but it is not strain-hardened. As a result, T4 aluminum typically has lower strength compared to T3 but offers better ductility and formability due to the lack of strain hardening.