8022 Aluminum alloy,Aluminum 8022 alloy，E FORU

### **Aluminum 8022 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8022** is a specialized wrought aluminum alloy from the 8000 series, specifically designed for applications requiring an optimal combination of formability, strength, and surface quality. This non-heat-treatable alloy features a carefully balanced composition that makes it particularly suitable for demanding forming applications, container stock, and various industrial uses where consistent performance and reliability are essential. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥97.9% | | Iron (Fe) | 0.8 - 1.2% | 1.0% | | Silicon (Si) | 0.6 - 1.0% | 0.8% | | Copper (Cu) | ≤ 0.10% | 0.06% | | Manganese (Mn) | 0.3 - 0.7% | 0.5% | | Zinc (Zn) | ≤ 0.10% | 0.06% | | Magnesium (Mg) | ≤ 0.10% | 0.06% | | Chromium (Cr) | 0.05 - 0.15% | 0.10% | | Titanium (Ti) | ≤ 0.08% | 0.04% | | Other Elements (each) | ≤ 0.05% | - | | Total Other Elements | ≤ 0.15% | - | **Key Composition Features:** - Enhanced iron and silicon content for improved strength - Chromium addition for grain structure control - Optimized manganese for solid solution strengthening - Balanced composition for consistent forming characteristics - Designed for enhanced mechanical properties --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.73 g/cm³ | 0.0986 lb/in³ | | Melting Range | 640-650°C | 1184-1202°F | | Thermal Conductivity | 170-180 W/m·K | - | | Electrical Conductivity | 45-50% IACS | - | | Modulus of Elasticity | 70 GPa | 10.2 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.4 × 10⁻⁶/°C | 13.0 × 10⁻⁶/°F | | Specific Heat Capacity | 900 J/kg·K | - | | Electrical Resistivity | 34-38 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H12 Temper | H14 Temper | H16 Temper | H18 Temper | |----------|----------|-------------|-------------|-------------|------------| | **Tensile Strength (MPa)** | 110-135 | 145-165 | 165-185 | 185-205 | 205-225 | | **Yield Strength (MPa)** | 45-65 | 120-140 | 140-160 | 160-180 | 180-200 | | **Elongation in 50 mm** | 22-30 | 10-14 | 8-11 | 5-8 | 3-5 | | **Hardness (Brinell)** | 35-45 | 48-58 | 58-68 | 68-78 | 78-88 | | **Shear Strength (MPa)** | 70-85 | 100-115 | 115-130 | 130-145 | 145-160 | | **Fatigue Strength (MPa)** | 55-65 | 80-90 | 95-105 | 105-115 | 115-125 | --- #### **5. International Standards** **Primary Specifications:** - **EN 573-3**: Aluminum and aluminum alloys - Chemical composition and form of wrought products - **ISO 209**: Wrought aluminum and aluminum alloys - Chemical composition and forms of products - **GB/T 3190**: Wrought aluminum and aluminum alloy chemical composition (China) **Product Standards:** - **EN 485-2**: Aluminum and aluminum alloys - Sheet, strip and plate - **ASTM B209**: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate - **ASTM B479**: Standard Specification for Annealed Aluminum Foil for Flexible Barrier Applications **Regional Standards:** - **JIS H4000**: Aluminum and aluminum alloy sheets and plates (Japan) - **DIN 1725-1**: Wrought aluminum alloys (Germany) --- #### **6. Product Applications** **Container Manufacturing:** - Drawn and ironed containers - Food and beverage cans - Aerosol containers - General line containers - Specialty packaging containers **Automotive Components:** - Fuel system components - Brake system parts - Small structural components - Bracket and mounting parts - Trim and decorative elements **Electrical Applications:** - Electrical enclosures and housings - Bus bar components - Transformer cases - Electrical connector parts - Power distribution components **General Manufacturing:** - Formed housings and covers - Machinery components - Industrial equipment parts - Decorative trim applications - General fabricated components --- #### **7. Key Characteristics** **Advantages:** - **Good Strength-to-Weight Ratio** - **Excellent Formability** in annealed condition - **Good Surface Quality** - **Adequate Corrosion Resistance** - **Consistent Mechanical Properties** - **Good Thermal Conductivity** - **Cost-Effective Performance** **Manufacturing Benefits:** - Suitable for deep drawing operations - Good bending and forming characteristics - Consistent performance in high-volume production - Reliable welding and joining characteristics - Good paint and coating adhesion --- #### **8. Processing Characteristics** **Forming Operations:** - **Good Deep Drawing** capability - **Excellent Bendability** - minimum bend radius: 1t - **Easy Roll Forming** characteristics - **Good Stamping** performance - **Adequate Stretch Forming** capability **Machining:** - Good machinability rating: 55% - Produces relatively short chips - Recommended cutting speed: 110-230 m/min - Good surface finish achievable - Standard tooling requirements **Joining Methods:** - **Good Weldability** - conventional methods suitable - **Excellent Brazing** characteristics - **Good Soldering** performance - **Adhesive Bonding** - good with proper preparation - **Mechanical Fastening** - reliable performance --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Good resistance - **Pitting Resistance**: Adequate for most applications - **Stress Corrosion Cracking**: Not susceptible - **Galvanic Corrosion**: Requires proper design considerations - **Industrial Environment**: Satisfactory performance **Protection Methods:** - Chemical conversion coatings - Painting and powder coating - Anodizing (produces good results) - Electroplating when required --- #### **10. Heat Treatment & Tempers** **Available Tempers:** - **O (Annealed)**: Full soft condition for maximum formability - **H12, H14, H16, H18**: Strain-hardened tempers - **H22, H24, H26**: Strain-hardened and partially annealed - **H32, H34, H36**: Strain-hardened and stabilized **Annealing Process:** - Full annealing: 345°C (650°F) for 2-3 hours - Intermediate annealing: 315°C (600°F) for 1-2 hours - Stress relief: 230-260°C (450-500°F) for 1-2 hours --- #### **11. Quality Assurance** **Testing Requirements:** - Chemical composition verification - Mechanical property testing - Formability testing - Surface quality inspection - Dimensional verification **Certification:** - Mill test certificate to applicable standards - Material traceability documentation - Customer-specific quality requirements - Regular quality system audits --- #### **12. Comparison with Similar Alloys** | Property | 8022-H14 | 3003-H14 | 8011-H14 | |----------|-----------|-----------|-----------| | Tensile Strength (MPa) | 165-185 | 140-160 | 130-150 | | Yield Strength (MPa) | 140-160 | 125-145 | 110-130 | | Elongation (%) | 8-11 | 8-12 | 8-12 | | Formability | Good | Very Good | Excellent | | Typical Applications | Containers | General purpose | Packaging | --- #### **Conclusion** Aluminum 8022 alloy offers a well-balanced combination of mechanical properties, formability, and manufacturing characteristics that make it suitable for a wide range of industrial applications. Its enhanced strength compared to some other 8000 series alloys, combined with good formability and consistent performance, makes it particularly valuable for container manufacturing, automotive components, and general industrial applications. The alloy's reliable processing characteristics and adequate corrosion resistance ensure predictable performance in manufacturing operations, while its cost-effectiveness makes it an attractive choice for volume production applications. The continued use of 8022 alloy across various industries demonstrates its versatility and reliability as a material solution for applications requiring a balance of strength, formability, and economic viability.

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 2242 gallon liquid totes Special package is available on request.