2095 Aluminum alloy,Aluminum 2095 alloy,E FORU

### **Product Datasheet: 2095 Aluminum Alloy** --- #### **1. Overview** 2095 Aluminum Alloy is a high-performance aluminum-lithium (Al-Cu-Li) alloy developed for advanced aerospace applications requiring an exceptional combination of ultra-high strength, low density, and good damage tolerance. As part of the third-generation aluminum-lithium alloys, 2095 offers significant improvements in strength and corrosion resistance compared to earlier Al-Li alloys, making it suitable for the most demanding structural applications in both commercial and military aerospace sectors. --- #### **2. International Standards** - **UNS**: UNS A92095 - **ASTM**: ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4290 (Aerospace Material Specification) - **AA (Aluminum Association)**: AA 2095 - **ISO**: ISO 6361-2 (Wrought Aluminum and Aluminum Alloy Sheet, Strip and Plate) --- #### **3. Chemical Composition (Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 3.9–4.6 | | **Lithium (Li)** | 1.0–1.6 | | **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)** | ≤ 0.15 | | **Silicon (Si)** | ≤ 0.12 | | **Titanium (Ti)** | ≤ 0.10 | | **Other Elements** | ≤ 0.05 each | | **Total Others** | ≤ 0.15 | --- #### **4. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.68–2.70 g/cm³ (0.0968–0.0975 lb/in³) | | **Melting Range** | ~545–650°C (1010–1200°F) | | **Electrical Conductivity** | ~28–32 % IACS | | **Thermal Conductivity** | 90–110 W/m·K | | **Coefficient of Thermal Expansion** | 21.8–22.8 × 10⁻⁶/°C (20–100°C) | | **Modulus of Elasticity** | 78.0–80.0 GPa (11,300–11,600 ksi) | --- #### **5. Mechanical Properties (Typical Values - T8 Temper)** | Property | Typical Value | |----------|---------------| | **Tensile Strength (Ultimate)** | 620–670 MPa (90–97 ksi) | | **Tensile Yield Strength (0.2% Offset)** | 570–620 MPa (83–90 ksi) | | **Elongation at Break** | 5–8% | | **Compressive Yield Strength** | 580–630 MPa (84–91 ksi) | | **Shear Strength** | 350–390 MPa (51–57 ksi) | | **Bearing Yield Strength** | 900–980 MPa (130–142 ksi) | | **Fracture Toughness (L-T方向)** | 25–31 MPa√m | | **Fatigue Strength** | 180–210 MPa (10⁷ cycles) | --- #### **6. Key Characteristics & Advantages** - **Ultra-High Strength**: One of the strongest aluminum-lithium alloys available - **Significant Weight Reduction**: 7–9% lower density than conventional aluminum alloys - **Enhanced Stiffness**: 8–10% higher modulus than traditional aluminum alloys - **Good Damage Tolerance**: Balanced combination of strength and fracture toughness - **Improved Corrosion Resistance**: Better than earlier generation Al-Li alloys - **Excellent Fatigue Performance**: Superior resistance to cyclic loading - **Cryogenic Capability**: Maintains excellent properties at low temperatures --- #### **7. Product Applications** - **Aircraft Primary Structures**: Upper wing skins, fuselage frames, and spar chords - **Space Launch Systems**: Rocket booster structures and fuel tank components - **Military Aircraft**: Critical load-bearing components for fighter aircraft - **Helicopter Components**: Main rotor hubs and high-stress dynamic parts - **Orbital Structures**: Satellite support frames and space vehicle components - **High-Performance Applications**: Racing components and specialized structures --- #### **8. Available Forms** - Plate (10–200 mm thickness) - Sheet (1.0–10.0 mm thickness) - Extruded Profiles and Bars - Die Forgings - Rolled Rings --- #### **9. Processing and Handling** - **Heat Treatment**: Requires precise control of aging parameters for optimal properties - **Forming Operations**: Best performed in annealed or solution-treated condition - **Machining**: Special techniques recommended due to high strength and lithium content - **Joining**: Weldable with proper procedures; may require post-weld heat treatment - **Surface Protection**: Standard aluminum protection systems generally adequate - **Quality Control**: Extensive testing required 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 1589 gallon liquid totes Special package is available on request.