8019 Aluminum alloy,Aluminum 8019 alloy，E FORU

### **Aluminum 8019 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8019** is a specialized high-temperature aluminum alloy developed for applications requiring excellent thermal stability and oxidation resistance at elevated temperatures. This heat-resistant alloy belongs to the 8000 series and is specifically engineered to maintain mechanical properties and surface stability under prolonged exposure to high-temperature environments, making it suitable for automotive, aerospace, and industrial heating applications. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥91.5% | | Iron (Fe) | 7.0 - 9.0% | 8.0% | | Cerium (Ce) | 1.5 - 2.5% | 2.0% | | Zirconium (Zr) | 0.8 - 1.4% | 1.1% | | Silicon (Si) | 0.5 - 1.0% | 0.7% | | Manganese (Mn) | 0.3 - 0.7% | 0.5% | | Magnesium (Mg) | 0.2 - 0.6% | 0.4% | | Titanium (Ti) | 0.1 - 0.3% | 0.2% | | Other Elements (each) | ≤ 0.05% | - | | Total Other Elements | ≤ 0.15% | - | **Key Composition Features:** - High iron content for elevated temperature strength - Rare earth element (Cerium) for oxidation resistance - Zirconium addition for thermal stability - Optimized for high-temperature performance - Complex intermetallic formation for strength retention --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.91 g/cm³ | 0.105 lb/in³ | | Melting Range | 575-645°C | 1067-1193°F | | Thermal Conductivity | 95-110 W/m·K | - | | Electrical Conductivity | 25-30% IACS | - | | Modulus of Elasticity | 76 GPa | 11.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 21.8 × 10⁻⁶/°C | 12.1 × 10⁻⁶/°F | | Specific Heat Capacity | 880 J/kg·K | - | | Electrical Resistivity | 57-69 nΩ·m | - | --- #### **4. Mechanical Properties** **Room Temperature Properties:** - **Tensile Ultimate Strength**: 380-450 MPa (55-65 ksi) - **Tensile Yield Strength (0.2% Offset)**: 320-390 MPa (46-57 ksi) - **Elongation**: 10-15% - **Hardness (HV)**: 120-140 - **Shear Strength**: 240-280 MPa (35-41 ksi) - **Fatigue Strength**: 150-180 MPa (22-26 ksi) **Elevated Temperature Properties:** - **Strength at 300°C**: 180-220 MPa (26-32 ksi) - **Strength at 400°C**: 90-120 MPa (13-17 ksi) - **Creep Resistance**: Excellent up to 400°C - **Thermal Fatigue Resistance**: Very good --- #### **5. International Standards** **Primary Specifications:** - **AMS 7895**: Aluminum Alloy 8019 Forgings and Rings - **ASTM B928**: High Magnesium Aluminum-Alloy Products - **ISO 6361**: Wrought Aluminum and Aluminum Alloy Sheets **Specialized Specifications:** - **Aerospace Material Specifications** for high-temperature applications - **Automotive Standards** for thermal management components - **MIL Standards** for defense applications requiring thermal stability --- #### **6. Product Applications** **Automotive Thermal Systems:** - Turbocharger housings and components - Exhaust system heat shields - Engine components exposed to high temperatures - Brake system components - Thermal management systems **Aerospace Components:** - Engine compartment components - Heat shield structures - Rocket motor components - High-temperature fasteners - Thermal protection systems **Industrial Heating:** - Heat treatment fixture components - Furnace parts and fixtures - Industrial heater components - Thermal processing equipment - High-temperature machinery parts **Special Applications:** - Nuclear reactor components - Chemical processing equipment - Power generation components - Specialized tooling for high-temperature processes --- #### **7. Key Characteristics** **High-Temperature Advantages:** - **Excellent Oxidation Resistance** up to 500°C - **Good Creep Resistance** at elevated temperatures - **Superior Thermal Stability** - **Maintained Mechanical Properties** at high temperatures - **Good Thermal Fatigue Resistance** - **Excellent Microstructural Stability** **General Properties:** - Good corrosion resistance in high-temperature environments - Adequate machinability - Suitable for various manufacturing processes - Reliable long-term performance --- #### **8. Processing Characteristics** **Manufacturing Processes:** - **Hot Working**: Excellent at 400-500°C - **Cold Working**: Limited due to high strength - **Extrusion**: Possible with proper parameters - **Forging**: Suitable for component manufacturing **Machining:** - Moderate machinability rating: 35% - Requires carbide tooling - Optimal cutting speed: 80-160 m/min - Adequate cooling required - Produces fine, broken chips **Joining Methods:** - **Friction Stir Welding**: Good - **Diffusion Bonding**: Excellent - **Conventional Welding**: Limited - **Brazing**: Specialized techniques required - **Mechanical Fastening**: Preferred method --- #### **9. Corrosion & Oxidation Resistance** **High-Temperature Performance:** - **Oxidation Resistance**: Excellent up to 500°C - **Scaling Resistance**: Very good - **Hot Corrosion**: Good resistance - **Thermal Cycling Resistance**: Excellent - **Long-term Stability**: Superior performance **Protection Methods:** - Protective coatings for extreme environments - Surface treatments for enhanced performance - Proper design for thermal management --- #### **10. Heat Treatment** **Thermal Processing:** - Solution treatment: 500-540°C (932-1004°F) - Aging treatment: 350-400°C (662-752°F) - Stress relief: 300-350°C (572-662°F) - Stabilization treatments for specific applications --- #### **11. Quality Assurance** **Testing Requirements:** - High-temperature mechanical testing - Creep and stress rupture testing - Oxidation resistance testing - Microstructural examination - Non-destructive testing - Thermal stability verification **Certification:** - Mill test certificates with elevated temperature data - Material traceability documentation - Specialized testing for high-temperature applications - Customer-specific performance validation --- #### **12. Comparison with Conventional Alloys** | Property | 8019 Alloy | 2618 Alloy | 2219 Alloy | |----------|------------|------------|------------| | Max Service Temperature | 450°C | 200°C | 175°C | | Room Temperature Strength (MPa) | 380-450 | 440-480 | 380-420 | | Strength at 300°C (MPa) | 180-220 | 80-100 | 40-60 | | Oxidation Resistance | Excellent | Good | Fair | --- #### **Conclusion** Aluminum 8019 alloy represents a significant advancement in high-temperature aluminum alloy technology, specifically engineered for applications requiring exceptional thermal stability and oxidation resistance. Its unique composition, featuring high iron content and rare earth additions, enables it to maintain mechanical properties at temperatures where conventional aluminum alloys would rapidly degrade. While the alloy requires specialized processing and commands a premium price, its unparalleled high-temperature performance makes it indispensable for automotive thermal systems, aerospace components, and industrial heating applications where thermal management is critical. The continued development and application of 8019 alloy demonstrate the ongoing evolution of aluminum materials to meet increasingly demanding high-temperature engineering requirements in advanced technological applications.

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 2237 gallon liquid totes Special package is available on request.