2219-T62 Aluminum alloy,Aluminum 2219-T62 alloy,E FORU

### **Product Datasheet: 2219-T62 Aluminum Alloy** --- #### **1. Overview** 2219-T62 Aluminum Alloy is a high-strength aluminum-copper alloy supplied in the T62 temper (solution heat-treated, cold worked, and artificially aged). This temper condition provides an excellent combination of high strength, good stress corrosion resistance, and improved toughness. The specific combination of cold working and artificial aging results in optimized mechanical properties for applications requiring enhanced strength while maintaining good damage tolerance and weldability characteristics. --- #### **2. International Standards** - **UNS**: UNS A92219 - **ASTM**: ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4039 (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** | ~32–36 % IACS | | **Thermal Conductivity** | 110–130 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 (T62 Temper Condition)** | Property | Typical Value | |----------|---------------| | **Tensile Strength (Ultimate)** | 400–450 MPa (58–65 ksi) | | **Tensile Yield Strength (0.2% Offset)** | 270–320 MPa (39–46 ksi) | | **Elongation at Break** | 9–14% | | **Compressive Yield Strength** | 280–330 MPa (41–48 ksi) | | **Shear Strength** | 240–280 MPa (35–41 ksi) | | **Bearing Yield Strength** | 540–600 MPa (78–87 ksi) | | **Hardness (Brinell)** | 100–120 HB | | **Fatigue Strength** | 140–170 MPa (20–25 ksi) | --- #### **6. Key Characteristics & Advantages** - **Optimized Strength-Toughness Balance**: Cold working and aging provide superior properties - **Enhanced Stress Corrosion Resistance**: Good performance in demanding environments - **Controlled Cold Working**: Specific degree of cold work ensures consistent properties - **Excellent Weldability**: Maintains good welding characteristics - **Cryogenic Capability**: Suitable for low-temperature applications - **Artificial Aging Stability**: Properties remain stable over time - **Good Damage Tolerance**: Balanced combination of strength and fracture toughness --- #### **7. Product Applications** - **Aircraft Structural Components**: Wing skins and fuselage frames - **Space Launch Vehicles**: Fuel tank segments and structural rings - **Missile Systems**: Rocket motor cases and airframe components - **Cryogenic Storage**: Liquid gas containers and transfer systems - **Pressure Vessels**: High-pressure containers and vessels - **Military Applications**: Defense system structural components --- #### **8. Available Forms** - Plate (6–80 mm thickness) - Sheet (1.0–6.0 mm thickness) - Extruded Shapes - Custom Machined Components --- #### **9. Processing and Quality Assurance** - **Machining**: Good machinability with proper tooling - **Forming**: Limited formability in T62 temper - **Welding**: Excellent performance with standard welding processes - **Heat Treatment**: Controlled artificial aging for consistent properties - **Quality Control**: Comprehensive testing including ultrasonic inspection - **Certification**: Full aerospace qualification and traceability - **Surface Treatment**: Compatible with various finishing processes --- **Disclaimer**: The information presented is typical and for reference only. Actual properties may vary with processing and specific manufacturing conditions. For critical aerospace applications, 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 1625 gallon liquid totes Special package is available on request.