8011 Aluminum alloy,Aluminum 8011 alloy，E FORU

### **Aluminum 8011 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8011** is a widely used wrought aluminum alloy from the 8000 series, known for its excellent deep drawing properties, good corrosion resistance, and high formability. This non-heat-treatable alloy is particularly valued in packaging applications and is often used as a replacement for 1235 and 1050 alloys where improved strength and formability are required. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.0% | | Iron (Fe) | 0.50 - 0.9% | 0.70% | | Silicon (Si) | 0.40 - 0.8% | 0.60% | | Copper (Cu) | ≤ 0.10% | 0.05% | | Manganese (Mn) | ≤ 0.20% | 0.10% | | Zinc (Zn) | ≤ 0.10% | 0.05% | | Magnesium (Mg) | ≤ 0.10% | 0.05% | | Titanium (Ti) | ≤ 0.08% | 0.05% | | Other Elements (each) | ≤ 0.05% | - | | Total Other Elements | ≤ 0.15% | - | **Key Composition Features:** - Balanced iron and silicon content for optimal strength and formability - Low impurity levels ensure good corrosion resistance - Controlled Fe/Si ratio for improved deep drawing performance - Suitable for food contact applications --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.71 g/cm³ | 0.0979 lb/in³ | | Melting Range | 643-655°C | 1189-1211°F | | Thermal Conductivity | 210-220 W/m·K | - | | Electrical Conductivity | 55-58% IACS | - | | Modulus of Elasticity | 69 GPa | 10.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.6 × 10⁻⁶/°C | 13.1 × 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 | H24 Temper | |----------|----------|-------------|-------------|------------|------------| | **Tensile Strength (MPa)** | 95-120 | 130-150 | 150-170 | 170-190 | 140-160 | | **Yield Strength (MPa)** | 35-55 | 110-130 | 130-150 | 150-170 | 120-140 | | **Elongation (%)** | 25-35 | 8-12 | 5-8 | 2-5 | 10-15 | | **Hardness (HB)** | 28-38 | 40-50 | 48-58 | 55-65 | 38-48 | | **Shear Strength (MPa)** | 65-80 | 90-105 | 105-120 | 120-135 | 85-100 | | **Erichsen Value (mm)** | 9.0-10.5 | 7.0-8.5 | 6.0-7.5 | 5.0-6.5 | 7.5-9.0 | --- #### **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**: Wrought aluminum alloys (Germany) --- #### **6. Product Applications** **Packaging Industry:** - Food and beverage container stock - Pharmaceutical packaging foil - Flexible packaging materials - Lid stock for containers - Aseptic packaging systems - Candy and chocolate wrappers **Electrical Applications:** - Transformer windings - Cable shielding - Capacitor foil - Electrical insulation - Bus bar components **Heat Exchange Applications:** - Heat exchanger fins - Radiator components - Air conditioner heat exchangers - Cooling system components **General Manufacturing:** - Decorative trim - Nameplates and labels - Light reflectors - Kitchen utensils - Industrial foil products --- #### **7. Key Characteristics** **Advantages:** - **Excellent deep drawing performance** - **Good corrosion resistance** - **High formability** in annealed condition - **Good surface quality** - **Adequate strength** in strain-hardened tempers - **Good thermal and electrical conductivity** - **Food-safe and non-toxic** **Limitations:** - Moderate strength compared to heat-treatable alloys - Limited high-temperature capability - Not suitable for structural applications requiring high strength --- #### **8. Processing Characteristics** **Forming Operations:** - **Outstanding deep drawing** capability - **Excellent bendability** - minimum bend radius: 0t (in O temper) - **Good roll forming** characteristics - **Easy stamping and blanking** - **Good spinning** performance **Machining:** - Fair machinability rating: 45% (relative to 2011-T3=100%) - Produces continuous chips - Recommended cutting speed: 100-220 m/min - Requires sharp tools with positive rake angles - Good surface finish achievable **Joining Methods:** - **Excellent weldability** - all conventional methods suitable - **Good brazing** characteristics - **Excellent soldering** performance - **Adhesive bonding** - very good with proper preparation - **Mechanical fastening** - good performance --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Excellent - **Pitting Resistance**: Very good - **Stress Corrosion Cracking**: Not susceptible - **Food and Chemical Resistance**: Excellent - **Galvanic Corrosion**: Good performance with proper isolation **Special Features:** - Resistant to most organic acids - Suitable for food contact applications - Good performance in humid environments - Excellent for packaging applications --- #### **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 - **H19**: Extra hard temper for specific applications **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 (Erichsen test) - Surface quality inspection - Grain size examination - Corrosion resistance testing **Certification:** - Mill test certificate to applicable standards - Food contact compliance certificates - Material traceability documentation - Customer-specific quality requirements --- #### **12. Comparison with Similar Alloys** | Property | 8011-O | 1235-O | 1050-O | |----------|---------|---------|---------| | Tensile Strength (MPa) | 95-120 | 80-100 | 75-95 | | Yield Strength (MPa) | 35-55 | 25-40 | 25-35 | | Elongation (%) | 25-35 | 30-40 | 30-40 | | Deep Drawability | Excellent | Excellent | Very Good | | Typical Applications | Packaging | Foil products | General purpose | --- #### **Conclusion** Aluminum 8011 alloy has established itself as a versatile and reliable material for packaging, electrical, and general manufacturing applications. Its balanced chemical composition provides an optimal combination of formability, strength, and corrosion resistance, making it particularly suitable for deep drawing operations and foil products. The alloy's excellent manufacturing characteristics, combined with its good mechanical properties and surface quality, have made it a preferred choice for food packaging, container stock, and various formed components. While it may not offer the highest strength among aluminum alloys, its consistent performance, reliable processing characteristics, and cost-effectiveness ensure its continued widespread use across multiple industries. The 8011 alloy represents an excellent balance of technical properties and manufacturing efficiency for applications where formability and corrosion resistance are primary 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 2228 gallon liquid totes Special package is available on request.