2076 Aluminum alloy,Aluminum 2076 alloy,E FORU

### **Product Datasheet: 2076 Aluminum Alloy** --- #### **1. Overview** 2076 Aluminum Alloy is a next-generation aluminum-lithium (Al-Li) alloy developed for ultra-high strength applications in aerospace and defense industries. Representing the cutting edge of aluminum-lithium technology, this alloy delivers an unprecedented combination of extreme strength, low density, and maintained damage tolerance. The advanced composition and optimized heat treatment protocols make 2076 suitable for the most demanding structural applications where weight reduction and maximum performance are critical design parameters. --- #### **2. International Standards** - **UNS**: UNS A92076 - **ASTM**: ASTM B831 (Standard Specification for Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4430 (Aerospace Material Specification) - **AA (Aluminum Association)**: AA 2076 - **Boeing**: BMS 7-332 (Material Specification) - **Airbus**: ABP 1-2430 (Material Specification) - **NAVAIR**: AIR 1700/12 (Material Specification) --- #### **3. Chemical Composition (Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 4.0–4.8 | | **Lithium (Li)** | 1.4–1.8 | | **Magnesium (Mg)** | 0.60–1.0 | | **Silver (Ag)** | 0.30–0.70 | | **Zinc (Zn)** | 0.40–0.90 | | **Manganese (Mn)** | 0.20–0.60 | | **Zirconium (Zr)** | 0.10–0.18 | | **Iron (Fe)** | ≤ 0.07 | | **Silicon (Si)** | ≤ 0.04 | | **Titanium (Ti)** | 0.02–0.12 | | **Scandium (Sc)** | 0.05–0.15 | | **Other Elements** | ≤ 0.05 each | | **Total Others** | ≤ 0.15 | --- #### **4. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.64–2.66 g/cm³ (0.0954–0.0961 lb/in³) | | **Melting Range** | ~545–640°C (1010–1185°F) | | **Electrical Conductivity** | ~26–30 % IACS | | **Thermal Conductivity** | 85–105 W/m·K | | **Coefficient of Thermal Expansion** | 21.5–22.5 × 10⁻⁶/°C (20–100°C) | | **Modulus of Elasticity** | 80.0–82.0 GPa (11,600–11,900 ksi) | --- #### **5. Mechanical Properties (Typical Values - T8E90 Temper)** | Property | Typical Value | |----------|---------------| | **Tensile Strength (Ultimate)** | 640–690 MPa (93–100 ksi) | | **Tensile Yield Strength (0.2% Offset)** | 600–650 MPa (87–94 ksi) | | **Elongation at Break** | 5–8% | | **Compressive Yield Strength** | 610–660 MPa (88–96 ksi) | | **Shear Strength** | 380–420 MPa (55–61 ksi) | | **Bearing Yield Strength** | 950–1020 MPa (138–148 ksi) | | **Fracture Toughness (K_IC)** | 26–32 MPa√m | | **Fatigue Endurance Limit** | 190–210 MPa (10⁷ cycles) | --- #### **6. Key Characteristics & Advantages** - **Ultra-High Strength**: Highest strength among commercial aluminum-lithium alloys - **Maximum Weight Reduction**: 10–12% density reduction versus conventional alloys - **Premium Stiffness**: 12–14% higher modulus than traditional aluminum alloys - **Optimized Damage Tolerance**: Exceptional balance for ultra-high strength applications - **Superior Fatigue Resistance**: Outstanding performance under cyclic loading - **Enhanced Thermal Stability**: Maintains properties at temperatures up to 150°C (300°F) - **Advanced Corrosion Resistance**: Excellent stress corrosion cracking performance - **Scandium Enhancement**: Improved recrystallization control and weld properties --- #### **7. Product Applications** - **Military Aircraft**: Primary structural components for next-generation fighters - **Space Exploration**: Launch vehicle structures and satellite components - **Commercial Aviation**: Critical airframe components for advanced airliners - **Helicopter Systems**: Main rotor blades and critical dynamic components - **Missile Systems**: Airframe structures and guidance system components - **High-Performance Racing**: Critical safety structures and chassis components --- #### **8. Available Forms** - Plate (up to 150 mm thickness) - Sheet (1.0–8.0 mm thickness) - Extruded Profiles and Bars - Die Forgings - Custom Processed Forms --- **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 1579 gallon liquid totes Special package is available on request.