2A12 Aluminum Sheet
2A12 Aluminum Sheet – High-Strength, Heat-Treatable Aerospace Alloy
2A12 Aluminum Sheet is a high-strength, heat-treatable alloy from the 2000 series, widely used in aerospace, defense, mold manufacturing, and structural applications. It features excellent formability, weldability, and fatigue resistance, making it ideal for high-performance parts.
Gengfei Steel is an experienced steel supplier, providing the best prices and services.
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Description
Description of 2A12 Aluminum Sheet
2A12 Aluminum Sheet (also known as LY12) is a premium-grade hard aluminum alloy in the Al-Cu-Mg system. With outstanding mechanical properties and excellent machinability, it is commonly used in aerospace, military, and precision industrial manufacturing.
This alloy can be heat-treated for strength enhancement, and exhibits good spot welding performance. It is especially suitable for structural applications requiring high strength and moderate corrosion resistance.
Gengfei supplies flat, high-quality 2A12 aluminum plates with smooth surfaces, no scratches or roller marks, neatly trimmed edges, and no burrs—ensuring consistent quality for precision applications.
Parameters of 2A12 Aluminum Sheet
| Item | Specification |
|---|---|
| Alloy | 2A12 (LY12) |
| Temper | F, O, T3, T4, T351, H112 |
| Thickness | 1.0mm – 600mm |
| Width | 500mm – 2650mm |
| Length | 500mm – 16000mm |
| Minimum Order | Customized based on client requirements |
| Processing | Heat-treatable, good machinability, weldable |
| Form | Sheet, plate, cut-to-size panels |
Chemical Composition (2A12 Aluminum Alloy)
| Grade | Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | Ti |
|---|---|---|---|---|---|---|---|---|---|
| 2A12 | 0.50 | 0.50 | 3.8–4.9 | 0.30–0.9 | 1.2–1.8 | — | 0.10 | 0.30 | 0.15 |
Note: Also known as LY12, widely recognized in Chinese and international aerospace standards.
Custom cutting and processing are available to meet your precise requirements.
Advantages of 2A12 Aluminum Sheet
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✅ High Strength & Durability: Excellent mechanical strength, suitable for aerospace-grade structures and load-bearing parts.
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✅ Heat Treatable: Can be strengthened via heat treatment to meet different performance requirements.
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✅ Good Machinability: Easy to cut, drill, and mill, ideal for precision engineering and mold production.
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✅ Weldable (Spot Welding): Good weldability using spot welding methods.
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✅ Flat Surface Quality: Smooth, scratch-free, no roller marks, burr-free edges.
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✅ Wide Range of Sizes: Available in various thicknesses and customizable dimensions.
Applications of 2A12 Aluminum Sheet
2A12 is suitable for use in high-performance and high-strength applications, including:
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✈️ Aircraft Structures: Wings, fuselage skins, internal frames.
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🛠️ Precision Molds: For automotive, plastic injection, die-casting.
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🪖 Military Equipment: Structural armor, weapon components.
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🚗 Automotive Engineering: Chassis, high-stress engine parts.
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📦 Machinery Parts: Load-bearing and fatigue-resistant components.
Comparison of Different Aluminum Alloy Sheets
Mechanical Property Comparison (Typical Values)
Key Differences
Surface Treatment Options
How to Choose the Right Aluminum Sheet?
✅ For electrical or thermal applications → 1060 is ideal due to its high conductivity.
✅ For higher strength needs → consider 3003 or 5052.
✅ For architectural decoration → 1060 is perfect thanks to good surface finish and formability.
✅ For welding or marine applications → 5052 or 6061 would be a better fit.
FAQs
Q: Is 2A12 aluminum suitable for aerospace use?
A: Yes, 2A12 is commonly used in aircraft structures due to its high strength and good fatigue resistance.
Q: What’s the difference between 2A12 and 2024 aluminum?
A: Both are Al-Cu-Mg alloys with similar strength, but 2A12 (LY12) is more commonly used in Chinese standards while 2024 is often referenced in international standards like ASTM.
Q: Can I order custom sizes?
A: Absolutely! We provide customized dimensions and thicknesses upon request.
Request a Quote for 2A12 Aluminum Sheet Today
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