2094 Aluminum alloy,Aluminum 2094 alloy,E FORU

### **Product Datasheet: 2094 Aluminum Alloy** --- #### **1. Overview** 2094 Aluminum Alloy is a third-generation aluminum-lithium (Al-Cu-Li) alloy developed for superior combination of high strength, excellent damage tolerance, and significant weight reduction in aerospace applications. This advanced alloy represents a major improvement over previous Al-Li generations, offering enhanced corrosion resistance, reduced anisotropy, and improved manufacturing characteristics while maintaining the density advantages of lithium-containing aluminum alloys. --- #### **2. International Standards** - **UNS**: UNS A92094 - **ASTM**: ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4419 (Aerospace Material Specification) - **AA (Aluminum Association)**: AA 2094 - **ISO**: ISO 6361-2 (Wrought Aluminum and Aluminum Alloy Sheet, Strip and Plate) --- #### **3. Chemical Composition (Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 4.4–5.2 | | **Lithium (Li)** | 0.7–1.4 | | **Magnesium (Mg)** | 0.25–0.8 | | **Silver (Ag)** | 0.25–0.6 | | **Zirconium (Zr)** | 0.08–0.15 | | **Manganese (Mn)** | 0.10–0.5 | | **Zinc (Zn)** | ≤ 0.25 | | **Iron (Fe)** | ≤ 0.12 | | **Silicon (Si)** | ≤ 0.10 | | **Titanium (Ti)** | ≤ 0.10 | | **Other Elements** | ≤ 0.05 each | | **Total Others** | ≤ 0.15 | --- #### **4. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.70–2.72 g/cm³ (0.0975–0.0982 lb/in³) | | **Melting Range** | ~540–645°C (1000–1190°F) | | **Electrical Conductivity** | ~30–34 % IACS | | **Thermal Conductivity** | 100–120 W/m·K | | **Coefficient of Thermal Expansion** | 22.0–23.0 × 10⁻⁶/°C (20–100°C) | | **Modulus of Elasticity** | 77.0–79.0 GPa (11,200–11,500 ksi) | --- #### **5. Mechanical Properties (Typical Values - T8 Temper)** | Property | Typical Value | |----------|---------------| | **Tensile Strength (Ultimate)** | 580–630 MPa (84–91 ksi) | | **Tensile Yield Strength (0.2% Offset)** | 530–580 MPa (77–84 ksi) | | **Elongation at Break** | 6–10% | | **Compressive Yield Strength** | 540–590 MPa (78–86 ksi) | | **Shear Strength** | 330–370 MPa (48–54 ksi) | | **Bearing Yield Strength** | 850–920 MPa (123–133 ksi) | | **Fracture Toughness (L-T方向)** | 29–35 MPa√m | | **Fatigue Strength** | 170–200 MPa (10⁷ cycles) | --- #### **6. Key Characteristics & Advantages** - **High Strength-to-Weight Ratio**: Excellent combination of strength and density reduction - **Improved Corrosion Resistance**: Superior to earlier Al-Li alloy generations - **Reduced Anisotropy**: More uniform properties in different directions - **Enhanced Damage Tolerance**: Good balance of strength and fracture toughness - **Excellent Fatigue Performance**: Superior resistance to crack initiation and growth - **Good Thermal Stability**: Maintains properties at elevated temperatures - **Improved Weldability**: Better welding characteristics than previous generations --- #### **7. Product Applications** - **Aircraft Primary Structures**: Wing skins, fuselage panels, and bulkheads - **Space Launch Vehicles**: Fuel tanks and structural components - **Military Aircraft**: High-performance fighter components - **Helicopter Structures**: Main rotor components and airframe elements - **Satellite Systems**: Structural frames and support elements - **High-Performance Automotive**: Racing chassis and suspension components --- #### **8. Available Forms** - Sheet (0.8–8.0 mm thickness) - Plate (8–150 mm thickness) - Extruded Profiles and Bars - Forging Stock --- #### **9. Processing and Handling** - **Heat Treatment**: Responsive to artificial aging treatments for property optimization - **Forming Operations**: Good formability in solution heat-treated condition - **Machining**: Requires appropriate techniques for lithium-containing alloys - **Joining**: Good weldability with conventional and advanced methods - **Surface Protection**: Standard aluminum protection systems applicable - **Quality Assurance**: Comprehensive testing for aerospace certification --- **Disclaimer**: The information presented is typical and for reference only. Actual properties may vary with processing, size, and heat treatment. For critical applications, contact our technical service team for specific data and processing recommendations.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1588 gallon liquid totes Special package is available on request.