2097 Aluminum alloy,Aluminum 2097 alloy,E FORU

### **Product Datasheet: 2097 Aluminum Alloy** --- #### **1. Overview** 2097 Aluminum Alloy is a third-generation aluminum-lithium (Al-Cu-Li) alloy specifically developed for damage-tolerant aerospace applications. This alloy offers an excellent combination of good strength, superior fatigue crack growth resistance, and significant weight reduction compared to conventional aluminum alloys. 2097 is particularly noted for its enhanced corrosion resistance and improved manufacturing characteristics, making it a preferred choice for modern aircraft structural components where durability and weight savings are critical. --- #### **2. International Standards** - **UNS**: UNS A92097 - **ASTM**: ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4332 (Aerospace Material Specification) - **AA (Aluminum Association)**: AA 2097 - **ISO**: ISO 6361-2 (Wrought Aluminum and Aluminum Alloy Sheet, Strip and Plate) --- #### **3. Chemical Composition (Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 2.5–3.1 | | **Lithium (Li)** | 1.2–1.8 | | **Magnesium (Mg)** | 0.25–0.8 | | **Zirconium (Zr)** | 0.08–0.15 | | **Manganese (Mn)** | 0.10–0.6 | | **Zinc (Zn)** | ≤ 0.15 | | **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** | 2.63–2.65 g/cm³ (0.0950–0.0957 lb/in³) | | **Melting Range** | ~550–645°C (1020–1190°F) | | **Electrical Conductivity** | ~26–30 % IACS | | **Thermal Conductivity** | 75–95 W/m·K | | **Coefficient of Thermal Expansion** | 21.2–22.2 × 10⁻⁶/°C (20–100°C) | | **Modulus of Elasticity** | 77.5–79.5 GPa (11,250–11,550 ksi) | --- #### **5. Mechanical Properties (Typical Values - T83 Temper)** | Property | Typical Value | |----------|---------------| | **Tensile Strength (Ultimate)** | 470–520 MPa (68–75 ksi) | | **Tensile Yield Strength (0.2% Offset)** | 420–470 MPa (61–68 ksi) | | **Elongation at Break** | 8–12% | | **Compressive Yield Strength** | 430–480 MPa (62–70 ksi) | | **Shear Strength** | 280–320 MPa (41–46 ksi) | | **Bearing Yield Strength** | 670–730 MPa (97–106 ksi) | | **Fracture Toughness (L-T方向)** | 32–38 MPa√m | | **Fatigue Crack Growth Rate** | Excellent (Superior to conventional alloys) | --- #### **6. Key Characteristics & Advantages** - **Excellent Damage Tolerance**: Superior fracture toughness and fatigue crack growth resistance - **Significant Weight Reduction**: 7–9% lower density than conventional aluminum alloys - **Enhanced Corrosion Resistance**: Improved stress corrosion cracking resistance - **Good Strength Balance**: Optimal combination of strength and toughness - **Reduced Anisotropy**: More uniform properties than earlier Al-Li alloys - **Improved Fatigue Performance**: Excellent resistance to crack propagation - **Manufacturing Compatibility**: Good formability and machining characteristics --- #### **7. Product Applications** - **Aircraft Fuselage Components**: Skin panels, stringers, and frames - **Wing Structures**: Lower wing skins and support structures - **Military Aircraft**: F-16 fighter bulkheads and structural components - **Commercial Aviation**: Regional jet and business aircraft structures - **Helicopter Components**: Airframe structures and mounting components - **Space Applications**: Satellite structures and support frames --- #### **8. Available Forms** - Plate (10–100 mm thickness) - Sheet (1.0–8.0 mm thickness) - Extruded Profiles - Forging Stock --- #### **9. Processing and Handling** - **Heat Treatment**: Responsive to standard T8-type aging treatments - **Forming Operations**: Good formability in solution heat-treated condition - **Machining**: Standard aluminum machining techniques generally applicable - **Joining**: Good weldability with conventional methods - **Surface Protection**: Standard aerospace coating systems compatible - **Quality Assurance**: Meets rigorous aerospace quality standards --- **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 1591 gallon liquid totes Special package is available on request.