2219-T87 Aluminum alloy,Aluminum 2219-T87 alloy,E FORU

### **Product Datasheet: 2219-T87 Aluminum Alloy** --- #### **1. Overview** 2219-T87 Aluminum Alloy is a premium high-strength aluminum-copper alloy supplied in the T87 temper (solution heat-treated, cold worked to a specific high degree, and artificially aged). This temper represents one of the highest strength conditions available for 2219 alloy, offering exceptional mechanical properties combined with good fracture toughness. The specific combination of high cold working and optimized artificial aging results in superior strength characteristics while maintaining adequate damage tolerance for the most demanding aerospace applications. --- #### **2. International Standards** - **UNS**: UNS A92219 - **ASTM**: ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4042 (Aerospace Material Specification) - **AA (Aluminum Association)**: AA 2219 - **ISO**: ISO 6361-2 (Wrought Aluminum and Aluminum Alloy Sheet, Strip and Plate) --- #### **3. Chemical Composition (Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 5.8–6.8 | | **Manganese (Mn)** | 0.20–0.40 | | **Vanadium (V)** | 0.05–0.15 | | **Zirconium (Zr)** | 0.10–0.25 | | **Iron (Fe)** | ≤ 0.30 | | **Silicon (Si)** | ≤ 0.20 | | **Zinc (Zn)** | ≤ 0.10 | | **Titanium (Ti)** | 0.02–0.10 | | **Other Elements** | ≤ 0.05 each | | **Total Others** | ≤ 0.15 | --- #### **4. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.77–2.79 g/cm³ (0.100–0.101 lb/in³) | | **Melting Range** | ~540–650°C (1000–1200°F) | | **Electrical Conductivity** | ~26–30 % IACS | | **Thermal Conductivity** | 95–115 W/m·K | | **Coefficient of Thermal Expansion** | 22.3–23.3 × 10⁻⁶/°C (20–100°C) | | **Modulus of Elasticity** | 72.0–74.0 GPa (10,450–10,750 ksi) | --- #### **5. Mechanical Properties (T87 Temper Condition)** | Property | Typical Value | |----------|---------------| | **Tensile Strength (Ultimate)** | 460–510 MPa (67–74 ksi) | | **Tensile Yield Strength (0.2% Offset)** | 350–400 MPa (51–58 ksi) | | **Elongation at Break** | 6–10% | | **Compressive Yield Strength** | 360–410 MPa (52–59 ksi) | | **Shear Strength** | 270–310 MPa (39–45 ksi) | | **Bearing Yield Strength** | 660–720 MPa (96–104 ksi) | | **Fracture Toughness** | 22–28 MPa√m | | **Fatigue Strength** | 170–200 MPa (25–29 ksi) | --- #### **6. Key Characteristics & Advantages** - **Maximum Strength Condition**: Highest strength level available for 2219 alloy series - **Enhanced Cold Working**: Specific high degree of cold work for optimal properties - **Good Strength-Toughness Balance**: Maintains adequate fracture toughness despite high strength - **Excellent Cryogenic Performance**: Suitable for low-temperature applications - **Superior Fatigue Resistance**: Enhanced performance under cyclic loading - **Stress Corrosion Resistance**: Maintains good performance in demanding environments - **Premium Quality**: Meets the highest aerospace quality standards --- #### **7. Product Applications** - **Space Launch Vehicles**: Primary structures and fuel tanks requiring maximum strength - **Aircraft Critical Components**: Wing spars and fuselage frames - **Rocket Motor Cases**: High-pressure containment systems - **Missile Structures**: Airframe and propulsion components - **Satellite Components**: Primary structural elements - **High-Performance Applications**: Components requiring ultimate strength --- #### **8. Available Forms** - Plate (6–100 mm thickness) - Sheet (1.0–6.0 mm thickness) - Custom Machined Components - High-Strength Blanks - Forging Stock --- #### **9. Processing and Quality Features** - **Controlled Cold Work**: Precise high degree of cold working for consistent maximum properties - **Artificial Aging**: Optimized aging treatment for peak strength development - **Machining**: Requires appropriate tooling and techniques for high-strength material - **Welding**: Suitable with proper procedures and post-weld heat treatment - **Quality Assurance**: Comprehensive testing including ultrasonic inspection - **Certification**: Full aerospace qualification and traceability - **Testing Protocol**: Extensive mechanical and metallurgical testing --- **Disclaimer**: The information presented is typical and for reference only. Actual properties may vary with processing and specific manufacturing conditions. For critical aerospace applications requiring maximum strength, contact our technical service team for specific data and certification requirements.

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 1628 gallon liquid totes Special package is available on request.