2024 Aluminum Plate
High-strength 2024 'aircraft alloy' aluminum plate. T3 & T351 tempers. Excellent fatigue resistance and machinability. The standard for airframe structures. ASTM B209 / AMS certified.
| Material | Aluminum-Copper Alloy |
|---|---|
| Grade / Standard | 2024 |
| Thickness | 0.5mm - 200mm |
| Width | 500mm - 2800mm |
| Length | 1000mm - 8000mm |
| Delivery Condition | quenched_tempered / annealed |
| Surface Treatment | bare |
| MOQ | 3 Tons |
| Delivery Time | 15-30 Days |
| Loading Port | Tianjin / Shanghai / Qingdao |
Overview of 2024 Aluminum Plate
2024 aluminum plate is a high-strength, heat-treatable alloy from the 2xxx series, with copper as its primary alloying element. Widely known as the classic ‘aircraft alloy’, it is celebrated for its excellent strength-to-weight ratio and superior fatigue resistance. When heat-treated to its most common tempers, T3 and T351, it provides the durability and damage tolerance required for critical airframe structures. A key characteristic of 2024 is its lower corrosion resistance compared to other aluminum alloys, which is why it is often used in a clad form (‘Alclad’) with a surface layer of high-purity aluminum for protection. Specified under standards like ASTM B209 and AMS-QQ-A-250/4, 2024 remains a fundamental material in aerospace engineering.
Key Features and Properties of 2024 Aluminum
2024 aluminum is valued for its specific combination of high-performance characteristics:
– **High Strength & Excellent Fatigue Resistance:** Its primary advantage is its ability to withstand repeated stress cycles without failure, making it ideal for fuselage and wing structures that are constantly flexing.
– **Good Machinability:** In the T3 and T4 tempers, 2024 exhibits good machinability, allowing for the precise fabrication of complex components.
– **Heat-Treatable Performance:** Its high strength is achieved through solution heat treatment and natural aging (T3/T4 tempers).
– **Lower Corrosion Resistance:** The high copper content makes it more susceptible to corrosion than 5xxx or 6xxx series alloys. It typically requires a protective paint coating or is used in its Alclad form.
– **Fair Weldability:** 2024 is generally not recommended for fusion welding, as it is prone to hot cracking. Resistance welding is a more suitable joining method.
Main Applications of 2024 Aluminum Plate
Due to its specific properties, 2024 aluminum is used in applications where strength and fatigue life are more critical than corrosion resistance:
– **Aerospace Structures:** The primary application. Used extensively for fuselage skins, wing tension members, shear webs, and other structural components that are subject to cyclic loading.
– **Defense Applications:** Used in military vehicle structures and transportation components.
– **High-Performance Transportation:** Employed in manufacturing forged truck wheels and suspension components for performance vehicles where strength and light weight are essential.
Why Choose Us for 2024 Aluminum Plate
Shandong Tanglu Metal Material Co., Ltd. is a specialist supplier of prime, aerospace-grade 2024 aluminum plate. We ensure our material, sourced from globally-renowned mills, adheres to the strictest industry standards, including ASTM B209 and AMS specifications. Every plate is shipped with a full Mill Test Certificate (MTC) for complete traceability and quality assurance. We specialize in the T3, T4, and T351 tempers and offer precision plate sawing to provide custom-sized blanks ready for your high-tolerance machining needs. Our expertise in packaging and exporting these high-value alloys ensures safe and reliable delivery worldwide.
📐 Dimension & Size Table
| Temper | Thickness (mm) | Width (mm) | Length (mm) |
|---|---|---|---|
| T3 / T351 | 6.0 - 200 | 1000-2800 | 1000-8000 |
| O (Annealed) | 0.5 - 200 | 1000-2800 | 1000-8000 |
* Custom sizes available upon request. Tolerances per relevant international standards.
🔬 Chemical Composition
| Element | Min | Max | Display Value | Note |
|---|---|---|---|---|
| Al | Balance | |||
| Cu | 3.8 | 4.9 | 3.8 - 4.9 | Primary alloying element |
| Mg | 1.2 | 1.8 | 1.2 - 1.8 | |
| Mn | 0.30 | 0.9 | 0.30 - 0.9 | |
| Fe | 0.50 | ≤0.50 | ||
| Si | 0.50 | ≤0.50 |
* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.
⚙️ Mechanical Properties
| Property | Value | Unit | Test Condition |
|---|---|---|---|
| Tensile Strength (T351) | ≥427 | MPa | For 6.3-12.5mm thickness |
| Yield Strength (T351) | ≥290 | MPa | For 6.3-12.5mm thickness |
| Elongation (T351) | ≥12 | % | For 6.3-12.5mm thickness |
| Hardness (T3) | ≈120 | HBW | Brinell Hardness |
| Fatigue Strength | ≈138 | MPa | Typical value at 500 million cycles |
| Tensile Strength (O Temper) | ≤210 | MPa | Annealed / Soft condition |
* Values shown are minimum requirements unless otherwise stated.
📦 Commercial Information
| Packaging | Specialized, heavy-duty export packing for high-value aerospace plates. Stacked on robust wooden skids, fully protected with edge guards, interleaved with plastic, wrapped in waterproof materials, and securely strapped to prevent any movement or damage. |
|---|---|
| Payment Terms | T/T (Telegraphic Transfer),L/C (Letter of Credit) |
| Price Term | FOB,CFR,CIF,EXW |
| Supply Capacity | 5,000 Tons/Month |
| Loading Port | Tianjin / Shanghai / Qingdao |
Why Choose Our 2024 Aluminum Plate?
Excellent Fatigue Strength
Engineered to withstand millions of stress cycles without failure, making it the premier choice for aircraft fuselage skins and wing structures.
High Strength-to-Weight Ratio
As a classic 'aircraft alloy', it provides the high strength needed for structural integrity while keeping weight to an absolute minimum.
Good Machinability
In the common T3 and T351 tempers, this alloy can be machined to tight tolerances, making it suitable for complex structural fittings and components.
Alclad for Corrosion Protection
Available in 'Alclad' form, which features a thin surface layer of pure aluminum that provides excellent corrosion protection for the high-strength 2024 core.
Aerospace Certified
Available with full certification to key aerospace standards such as AMS-QQ-A-250/4, ensuring complete quality assurance for critical applications.
🏭 Applications of 2024 Aluminum Plate
2024 aluminum plate is the quintessential material for building aircraft. Its world-renowned fatigue resistance makes it the standard for fuselage and wing skins, which are subject to pressurization cycles and aerodynamic loads. It is used for any structural component that is primarily in tension, where its strength and damage tolerance are paramount. Beyond aerospace, its high strength is utilized in high-performance motorsport for suspension parts and forged wheels, and in defense applications for structural components where light weight and durability are critical.
📋 Quality & Certification
Our Certifications
- ✅ ISO 9001:2015
- ✅ CE Marking
- ✅ SGS Certified
Mill Certificate Type
- 📋 EN 10204 3.1
- 📋 Original Mill Certificate
❓ Frequently Asked Questions
What is 2024 aluminum?
2024 is a high-strength aluminum-copper alloy, famously known as an 'aircraft alloy'. It is heat-treatable and prized for its excellent fatigue resistance and high strength-to-weight ratio.
What does the T351 temper mean?
T351 signifies that the plate has been solution heat-treated, cold worked by controlled stretching for stress relief, and then naturally aged to a substantially stable condition. This temper is ideal for parts that will be machined, as it has low internal stress.
What is 'Alclad' 2024 aluminum?
Alclad 2024 is a composite sheet or plate with a strong 2024 alloy core that is metallurgically bonded to thin surface layers of high-purity aluminum. The pure aluminum layers provide excellent corrosion protection to the high-strength core, which is otherwise susceptible to corrosion.
Is 2024 aluminum corrosion resistant?
No, bare 2024 has relatively poor corrosion resistance due to its high copper content. In most applications, it must be protected by anodizing, painting, or by using it in its Alclad form.
What is the difference between 2024 and 7075 aluminum?
Both are high-strength aerospace alloys. 7075 is stronger in terms of tensile and yield strength. However, 2024 generally offers superior fatigue resistance and better damage tolerance, making it the preferred choice for fuselage skins and wing tension members. 7075 is often used for components primarily in compression, like upper wing spars.
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2024 Aluminum Plate
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