2219-T37 Aluminum alloy,Aluminum 2219-T37 alloy,E FORU

### **Product Datasheet: 2219-T37 Aluminum Alloy** --- #### **1. Overview** 2219-T37 Aluminum Alloy is a high-strength aluminum-copper alloy supplied in the T37 temper (solution heat-treated, cold worked to a specific degree, and naturally aged). This temper condition provides a balanced combination of moderate strength, good formability, and excellent weldability. The controlled cold working process followed by natural aging results in stable mechanical properties suitable for applications requiring reliable performance with manufacturing flexibility. --- #### **2. International Standards** - **UNS**: UNS A92219 - **ASTM**: ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) - **AMS**: AMS 4036 (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** | ~35–39 % IACS | | **Thermal Conductivity** | 118–138 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 (T37 Temper Condition)** | Property | Typical Value | |----------|---------------| | **Tensile Strength (Ultimate)** | 320–370 MPa (46–54 ksi) | | **Tensile Yield Strength (0.2% Offset)** | 200–250 MPa (29–36 ksi) | | **Elongation at Break** | 12–18% | | **Compressive Yield Strength** | 210–260 MPa (30–38 ksi) | | **Shear Strength** | 200–240 MPa (29–35 ksi) | | **Bearing Yield Strength** | 420–480 MPa (61–70 ksi) | | **Hardness (Brinell)** | 80–100 HB | | **Fatigue Strength** | 120–150 MPa (17–22 ksi) | --- #### **6. Key Characteristics & Advantages** - **Controlled Cold Working**: Specific degree of cold work ensures consistent properties - **Natural Aging Stability**: Properties develop and stabilize at room temperature - **Good Formability**: Suitable for moderate forming operations - **Excellent Weldability**: Maintains high weld quality and integrity - **Cryogenic Performance**: Good toughness at low temperatures - **Stress Corrosion Resistance**: Adequate for most service environments - **Manufacturing Versatility**: Balanced properties for various processes --- #### **7. Product Applications** - **Aircraft Structural Panels**: Fuselage skins and wing components - **Spacecraft Structures**: Fuel tank segments and structural members - **Missile Components**: Rocket motor cases and airframe structures - **Cryogenic Systems**: Liquid gas storage and handling equipment - **Welded Assemblies**: Structures requiring extensive welding - **Marine Applications**: Components for marine environments --- #### **8. Available Forms** - Sheet (0.8–6.0 mm thickness) - Plate (6–25 mm thickness) - Formed Components - Custom Blanks --- #### **9. Processing and Quality Features** - **Forming Operations**: Suitable for bending and moderate shaping - **Machining**: Good machinability with standard tooling - **Welding**: Excellent performance with TIG and MIG processes - **Aging Characteristics**: Natural aging completes in 7-10 days - **Quality Control**: Standard aerospace quality procedures - **Surface Treatment**: Compatible with various finishing processes - **Certification**: Meets aerospace quality standards --- **Disclaimer**: The information presented is typical and for reference only. Actual properties may vary with processing and specific manufacturing conditions. 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 1622 gallon liquid totes Special package is available on request.