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

### **Product Datasheet: Alclad 2219-T87 Aluminum Alloy** --- #### **1. Overview** Alclad 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) with a protective aluminum cladding layer. This temper represents one of the highest strength conditions available for 2219 alloy, offering exceptional mechanical properties combined with superior corrosion protection for the most demanding aerospace and defense applications. --- #### **2. International Standards** - **UNS**: UNS A92219 - **ASTM**: ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4119 (Aerospace Material Specification) - **AA (Aluminum Association)**: AA 2219 - **ISO**: ISO 6361-2 (Wrought Aluminum and Aluminum Alloy Sheet, Strip and Plate) --- #### **3. Chemical Composition** **Core Material (2219) - 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 | **Cladding Material** Pure aluminum (1XXX series) coating, typically 2.5-5% of total thickness per side. --- #### **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 for 2219 alloy series - **Enhanced Cold Working**: Specific high degree of cold work for optimal properties - **Superior Corrosion Protection**: Alclad coating provides sacrificial protection - **Excellent Strength-to-Weight Ratio**: Premium mechanical properties - **Good Stress Corrosion Resistance**: Maintains performance in demanding environments - **Cryogenic Capability**: Suitable for low-temperature applications - **Weldability**: Maintains good welding characteristics despite high strength --- #### **7. Product Applications** - **Space Launch Vehicles**: Primary structures and fuel tanks - **Aircraft Critical Components**: Wing spars and fuselage frames - **Rocket Motor Cases**: High-pressure containment systems - **Military Aerospace**: Defense system structural components - **Satellite Structures**: Primary frames and support elements - **High-Performance Applications**: Components requiring maximum strength --- #### **8. Available Forms** - Plate (6–100 mm thickness) - Sheet (1.0–6.0 mm thickness) - Custom Machined Components - High-Strength Blanks --- #### **9. Processing and Quality Features** - **Controlled Cold Work**: Precise degree of cold working for consistent properties - **Artificial Aging**: Optimized aging treatment for maximum strength - **Machining**: Requires appropriate tooling and techniques - **Welding**: Suitable with proper procedures and post-weld treatment - **Quality Assurance**: Comprehensive testing including ultrasonic inspection - **Corrosion System**: Integrated Alclad protection maintained - **Certification**: Full aerospace qualification and traceability --- **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 1618 gallon liquid totes Special package is available on request.