8016 Aluminum alloy,Aluminum 8016 alloy，E FORU

### **Aluminum 8016 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8016** is a wrought aluminum alloy specifically designed for foil stock applications, particularly in the packaging industry. Characterized by its controlled iron and silicon content, this non-heat-treatable alloy offers excellent formability, good surface quality, and reliable performance in thin gauge applications, making it ideal for flexible packaging and container foil. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.3% | | Iron (Fe) | 0.50 - 0.8% | 0.65% | | Silicon (Si) | 0.10 - 0.30% | 0.20% | | Copper (Cu) | ≤ 0.05% | 0.03% | | Manganese (Mn) | 0.05 - 0.20% | 0.12% | | Zinc (Zn) | ≤ 0.08% | 0.05% | | Magnesium (Mg) | ≤ 0.05% | 0.03% | | Titanium (Ti) | ≤ 0.06% | 0.03% | | Other Elements (each) | ≤ 0.03% | - | | Total Other Elements | ≤ 0.10% | - | **Key Composition Features:** - Optimized Fe/Si ratio for improved foil rolling performance - Ultra-low copper content for enhanced corrosion resistance - Controlled manganese for consistent mechanical properties - Low impurity levels for superior surface quality - Specifically designed for thin gauge applications --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.70 g/cm³ | 0.0975 lb/in³ | | Melting Range | 655-660°C | 1211-1220°F | | Thermal Conductivity | 215-225 W/m·K | - | | Electrical Conductivity | 55-59% IACS | - | | Modulus of Elasticity | 69 GPa | 10.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/°C | 13.2 × 10⁻⁶/°F | | Specific Heat Capacity | 900 J/kg·K | - | | Electrical Resistivity | 29-32 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H14 Temper | H16 Temper | H18 Temper | H19 Temper | |----------|----------|-------------|-------------|-------------|------------| | **Tensile Strength (MPa)** | 85-110 | 125-145 | 145-165 | 165-185 | 185-205 | | **Yield Strength (MPa)** | 30-50 | 105-125 | 125-145 | 145-165 | 165-185 | | **Elongation (%)** | 25-35 | 8-12 | 5-8 | 3-5 | 2-4 | | **Tear Strength (N/mm)** | 120-150 | 180-220 | 220-260 | 260-300 | 300-340 | | **Puncture Resistance** | Good | Very Good | Excellent | Superior | Maximum | --- #### **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 B479**: Standard Specification for Annealed Aluminum Foil for Flexible Barrier Applications - **ASTM B209**: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate **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 blister packaging - Confectionery wrappers - Dairy product packaging - Fast food containers **Container Foil:** - Yogurt lid stock - Beverage container closures - Pharmaceutical container foil - Aseptic packaging - Screw cap liners **Technical Foil:** - Cable shielding - Transformer foil - Capacitor foil - Insulation materials - Heat sealable foil **Special Applications:** - Lithium battery foil - Electronics packaging - Medical packaging - Agricultural packaging - Industrial foil products --- #### **7. Key Characteristics** **Advantages:** - **Excellent foil rolling performance** - **Superior surface quality** for printing and coating - **Good formability** and flexibility - **Excellent barrier properties** - **Good heat sealability** - **Food-safe and non-toxic** - **Good corrosion resistance** **Special Foil Properties:** - Consistent gauge control in thin foils - Excellent pinhole resistance - Good tensile strength in thin gauges - Superior fold endurance - Excellent lacquer adhesion --- #### **8. Processing Characteristics** **Foil Manufacturing:** - Excellent rolling performance down to 6μm thickness - Good tension control during processing - Consistent annealing response - Superior surface finish - Easy slitting and rewinding **Converting Operations:** - Excellent printing characteristics - Good coating adhesion - Easy laminating performance - Good punching and cutting properties - Superior heat sealing performance **Quality Control:** - Consistent pinhole test results - Good optical density uniformity - Excellent surface cleanliness - Consistent mechanical properties - Reliable barrier performance --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Excellent - **Pitting Resistance**: Very good - **Food Acid Resistance**: Excellent - **Moisture Resistance**: Superior - **Chemical Resistance**: Good for packaging applications **Barrier Properties:** - Excellent moisture barrier - Good gas barrier properties - Superior aroma barrier - UV light protection - Oxygen barrier capabilities --- #### **10. Heat Treatment & Tempers** **Available Tempers for Foil:** - **O (Annealed)**: Soft condition for flexible packaging - **H14, H16, H18**: Strain-hardened for rigid containers - **H19**: Extra hard for technical applications - **H22, H24**: Partially annealed for specific applications **Annealing Process:** - Batch annealing: 300-350°C for 8-12 hours - Continuous annealing: 350-400°C for short durations - Stress relief: 200-250°C for 1-2 hours --- #### **11. Quality Assurance** **Specialized Testing:** - Pinhole testing per ASTM B926 - Grease resistance testing - Water vapor transmission rate (WVTR) - Oxygen transmission rate (OTR) - Surface cleanliness inspection - Thickness uniformity testing **Certification Requirements:** - Food contact compliance certificates - Pharmaceutical grade certifications - Mill test certificates with foil-specific data - Traceability documentation - Regular quality audits --- #### **12. Comparison with Similar Foil Alloys** | Property | 8016-H19 | 1235-H19 | 8079-H19 | |----------|-----------|-----------|-----------| | Tensile Strength (MPa) | 185-205 | 170-190 | 180-200 | | Elongation (%) | 2-4 | 1-3 | 2-4 | | Pinhole Count | Low | Very Low | Low | | Surface Quality | Excellent | Very Good | Excellent | | Typical Applications | Food packaging | Capacitor foil | Flexible packaging | --- #### **Conclusion** Aluminum 8016 alloy represents a specialized material solution specifically optimized for foil manufacturing and packaging applications. Its carefully balanced chemical composition ensures excellent rolling performance, superior surface quality, and reliable mechanical properties in thin gauge applications. The alloy's exceptional barrier properties, combined with its good formability and corrosion resistance, make it an ideal choice for food packaging, pharmaceutical applications, and technical foil products. The consistent performance of 8016 alloy in high-speed foil production and converting operations has established it as a preferred material for manufacturers seeking reliable, high-quality foil products. Its compliance with international food contact regulations and excellent processing characteristics ensure its continued prominence in the global packaging industry.

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 2232 gallon liquid totes Special package is available on request.