8023 Aluminum alloy,Aluminum 8023 alloy，E FORU

### **Aluminum 8023 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8023** is a specialized wrought aluminum alloy from the 8000 series, designed for applications requiring excellent formability combined with good strength and surface quality. This non-heat-treatable alloy features a unique chemical composition that makes it particularly suitable for foil applications, flexible packaging, and other products where consistent performance and reliability are essential. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.6% | | Iron (Fe) | 0.45 - 0.65% | 0.55% | | Silicon (Si) | 0.25 - 0.45% | 0.35% | | Copper (Cu) | ≤ 0.05% | 0.03% | | Manganese (Mn) | 0.05 - 0.15% | 0.10% | | Zinc (Zn) | ≤ 0.06% | 0.04% | | Magnesium (Mg) | ≤ 0.05% | 0.03% | | Titanium (Ti) | ≤ 0.05% | 0.03% | | Other Elements (each) | ≤ 0.03% | - | | Total Other Elements | ≤ 0.10% | - | **Key Composition Features:** - Optimized Fe/Si ratio for superior formability - Low impurity levels for excellent surface quality - Balanced composition for consistent mechanical properties - Enhanced purity for critical applications - Specifically designed for thin-gauge products --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.70 g/cm³ | 0.0975 lb/in³ | | Melting Range | 648-658°C | 1198-1216°F | | Thermal Conductivity | 200-210 W/m·K | - | | Electrical Conductivity | 52-56% IACS | - | | Modulus of Elasticity | 69 GPa | 10.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.7 × 10⁻⁶/°C | 13.2 × 10⁻⁶/°F | | Specific Heat Capacity | 900 J/kg·K | - | | Electrical Resistivity | 31-34 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H12 Temper | H14 Temper | H16 Temper | H18 Temper | |----------|----------|-------------|-------------|-------------|------------| | **Tensile Strength (MPa)** | 85-105 | 120-140 | 140-160 | 160-180 | 180-200 | | **Yield Strength (MPa)** | 30-50 | 100-120 | 120-140 | 140-160 | 160-180 | | **Elongation in 50 mm** | 28-38 | 14-18 | 10-14 | 6-10 | 4-7 | | **Hardness (Brinell)** | 25-35 | 38-48 | 45-55 | 52-62 | 60-70 | | **Shear Strength (MPa)** | 55-70 | 80-95 | 95-110 | 110-125 | 125-140 | | **Fatigue Strength (MPa)** | 45-55 | 65-75 | 80-90 | 90-100 | 100-110 | **Foil-Specific Properties (6-30μm thickness):** - **Excellent Gauge Control** - **Good Pinhole Resistance** - **Superior Surface Cleanliness** - **Consistent Mechanical Properties** - **Good Fold Endurance** --- #### **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 **Specialized Standards:** - **EN 602**: Aluminum and aluminum alloys - Wrought products for packaging - **FDA CFR 21**: Food contact material compliance - **EU 10/2011**: Food contact material regulations --- #### **6. Product Applications** **Flexible Packaging:** - Food packaging foil - Pharmaceutical packaging - Confectionery wrappers - Dairy product packaging - Flexible laminates **Container Applications:** - Lid stock for containers - Screw cap liners - Aseptic packaging - Food container foil - Specialty packaging **Electrical Applications:** - Cable shielding foil - Transformer foil - Capacitor foil - Electrical insulation - Electronic packaging **Industrial Applications:** - Thermal insulation foil - Decorative foil - Label stock - Industrial laminate foil - General foil products --- #### **7. Key Characteristics** **Advantages:** - **Excellent Formability** and flexibility - **Good Surface Quality** for printing and coating - **Adequate Strength** for various applications - **Good Thermal Conductivity** - **Excellent Corrosion Resistance** - **Food-Safe and Non-Toxic** - **Cost-Effective Performance** **Manufacturing Benefits:** - Easy to process and convert - Consistent performance in production - Good printing and coating characteristics - Reliable heat sealing performance - Suitable for high-speed operations --- #### **8. Processing Characteristics** **Forming Operations:** - **Excellent Deep Drawing** capability - **Good Bendability** - minimum bend radius: 0.5t - **Easy Roll Forming** characteristics - **Good Stamping** performance - **Adequate Stretch Forming** capability **Foil Production:** - Good rolling performance - Consistent gauge control - Easy slitting and rewinding - Good annealing characteristics - Reliable quality output **Joining Methods:** - **Good Weldability** - conventional methods suitable - **Excellent Brazing** characteristics - **Good Soldering** performance - **Adhesive Bonding** - good with proper preparation - **Heat Sealing** - excellent performance --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Excellent resistance - **Pitting Resistance**: Good in most environments - **Stress Corrosion Cracking**: Not susceptible - **Food and Chemical Resistance**: Good for packaging applications - **Moisture Resistance**: Very good **Barrier Properties:** - Good moisture barrier characteristics - Adequate gas barrier properties - Suitable for most packaging applications - Consistent performance over time --- #### **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 - Surface quality inspection - Formability testing - Corrosion resistance testing **Certification:** - Mill test certificate to applicable standards - Material traceability documentation - Food contact compliance certificates - Customer-specific quality requirements --- #### **12. Comparison with Similar Alloys** | Property | 8023-O | 8011-O | 1235-O | |----------|---------|---------|---------| | Tensile Strength (MPa) | 85-105 | 95-120 | 80-100 | | Yield Strength (MPa) | 30-50 | 35-55 | 25-40 | | Elongation (%) | 28-38 | 25-35 | 30-40 | | Formability | Excellent | Excellent | Excellent | | Typical Applications | Packaging | Packaging | Foil products | --- #### **Conclusion** Aluminum 8023 alloy offers an excellent balance of formability, strength, and surface quality, making it particularly suitable for packaging applications, foil products, and various industrial uses. Its optimized chemical composition provides consistent performance and reliable processing characteristics, ensuring predictable results in manufacturing operations. The alloy's good corrosion resistance, combined with its excellent formability and adequate mechanical properties, makes it a versatile choice for applications ranging from food packaging to electrical components. The consistent quality and reliable performance of 8023 alloy have established its position in various industries where material consistency, process reliability, and end-product performance are important considerations.

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 2243 gallon liquid totes Special package is available on request.