8011A Aluminum alloy,Aluminum 8011A alloy，E FORU

### **Aluminum 8011A Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8011A** is an enhanced version of the standard 8011 aluminum alloy, featuring tighter compositional controls and improved consistency for high-performance applications. This non-heat-treatable wrought aluminum alloy is specifically designed for applications requiring superior deep drawing characteristics, excellent surface quality, and enhanced mechanical consistency. The "A" designation indicates improved quality control and more stringent manufacturing standards. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.1% | | Iron (Fe) | 0.55 - 0.75% | 0.65% | | Silicon (Si) | 0.45 - 0.65% | 0.55% | | Copper (Cu) | ≤ 0.03% | 0.02% | | Manganese (Mn) | ≤ 0.10% | 0.05% | | Zinc (Zn) | ≤ 0.05% | 0.03% | | Magnesium (Mg) | ≤ 0.05% | 0.02% | | Titanium (Ti) | ≤ 0.06% | 0.03% | | Vanadium (V) | ≤ 0.05% | 0.02% | | Other Elements (each) | ≤ 0.02% | - | | Total Other Elements | ≤ 0.10% | - | **Enhanced Composition Features:** - Tighter control of Fe/Si ratio (1.0-1.3:1) for optimized formability - Ultra-low copper content for superior corrosion resistance - Strict impurity limits for consistent performance - Improved elemental balance for better deep drawing performance - Enhanced purity levels for critical applications --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.71 g/cm³ | 0.0979 lb/in³ | | Melting Range | 644-656°C | 1191-1213°F | | Thermal Conductivity | 215-225 W/m·K | - | | Electrical Conductivity | 56-59% 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 | 29-31 nΩ·m | - | --- #### **4. Mechanical Properties** **Enhanced Properties in Various Tempers:** | Property | O Temper | H14 Temper | H16 Temper | H18 Temper | H24 Temper | |----------|----------|-------------|-------------|------------|------------| | **Tensile Strength (MPa)** | 100-125 | 135-155 | 155-175 | 175-195 | 145-165 | | **Yield Strength (MPa)** | 40-60 | 115-135 | 135-155 | 155-175 | 125-145 | | **Elongation (%)** | 28-38 | 10-14 | 6-9 | 3-5 | 12-16 | | **Hardness (HB)** | 30-40 | 42-52 | 50-60 | 58-68 | 40-50 | | **Shear Strength (MPa)** | 68-83 | 92-107 | 107-122 | 122-137 | 87-102 | | **Erichsen Value (mm)** | 9.5-11.0 | 7.5-9.0 | 6.5-8.0 | 5.5-7.0 | 8.0-9.5 | | **r-value (Plastic Strain Ratio)** | 0.65-0.75 | 0.60-0.70 | 0.55-0.65 | 0.50-0.60 | 0.62-0.72 | --- #### **5. International Standards** **Enhanced Quality Standards:** - **EN 573-3**: Aluminum and aluminum alloys - Chemical composition (Enhanced grade) - **ISO 209**: Wrought aluminum and aluminum alloys - Chemical composition (Class A) - **GB/T 3190-2020**: Wrought aluminum and aluminum alloy chemical composition (Premium grade) **Product Standards:** - **EN 485-2**: Aluminum and aluminum alloys - Sheet, strip and plate (Class A) - **ASTM B209M**: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric) - **ASTM B479/B479M**: Annealed Aluminum Foil for Flexible Barrier Applications (Premium grade) **Quality Certifications:** - **ISO 9001:2015** Quality Management Systems - **ISO/TS 16949** Automotive Quality Management - **FDA Compliant** for food contact applications - **RoHS & REACH Compliant** --- #### **6. Product Applications** **High-Performance Packaging:** - Pharmaceutical blister packaging - Aseptic food packaging - High-speed container manufacturing - Premium lid stock applications - Specialty food packaging **Advanced Electrical Applications:** - High-voltage capacitor foil - Precision transformer windings - Advanced bus bar systems - Electrical vehicle components - High-frequency applications **Automotive Components:** - Heat exchanger fins - Automotive electrical systems - Sensor housings - Decorative trim components - Lighting reflector parts **Specialized Applications:** - Lithium-ion battery packaging - Medical device components - Aerospace foil applications - Precision electronic components - High-quality decorative products --- #### **7. Key Characteristics** **Enhanced Advantages:** - **Superior deep drawing performance** with consistent r-values - **Excellent surface quality** with minimal defects - **Enhanced mechanical consistency** lot-to-lot - **Improved corrosion resistance** due to lower impurity levels - **Better annealing response** and grain structure control - **Superior formability** in all tempers - **Enhanced fatigue performance** for dynamic applications **Special Features:** - Consistent mechanical properties across coil length - Improved uniformity in thickness and temper - Better performance in high-speed manufacturing - Enhanced suitability for critical applications --- #### **8. Processing Characteristics** **Enhanced Forming Operations:** - **Exceptional deep drawing** with consistent performance - **Superior bendability** - minimum bend radius: 0t (in O temper) - **Excellent stretch forming** characteristics - **Improved roll forming** consistency - **Enhanced spinning** capabilities **Machining Characteristics:** - Good machinability rating: 48% (relative to 2011-T3=100%) - Consistent chip formation - Optimal cutting speed: 110-230 m/min - Excellent surface finish achievable - Reduced tool wear due to consistent microstructure **Advanced Joining Methods:** - **Superior weldability** with consistent results - **Enhanced brazing** performance - **Excellent soldering** characteristics - **Improved adhesive bonding** with consistent surface properties - **Reliable mechanical fastening** performance --- #### **9. Corrosion Resistance** **Enhanced Performance:** - **Atmospheric Corrosion**: Excellent (superior to standard 8011) - **Pitting Resistance**: Enhanced due to lower impurity levels - **Stress Corrosion Cracking**: Not susceptible - **Galvanic Corrosion**: Improved performance with proper isolation - **Chemical Resistance**: Excellent for most industrial environments **Special Corrosion Features:** - Enhanced resistance to industrial atmospheres - Improved performance in marine environments - Better resistance to food acids and alkalis - Superior performance in pharmaceutical applications --- #### **10. Quality Assurance & Testing** **Enhanced Testing Protocol:** - Advanced chemical analysis with tighter tolerances - Comprehensive mechanical property verification - Enhanced formability testing (Erichsen, Olsen, Fukui tests) - Sophisticated surface quality inspection - Advanced grain structure analysis - Statistical process control implementation **Premium Certification:** - Enhanced mill test certificates with additional data - Full traceability with advanced documentation - Statistical property analysis reports - Customer-specific quality validation - Regular third-party quality audits --- #### **11. Comparison with Standard 8011** | Property | 8011A-O | 8011-O | Improvement | |----------|----------|---------|-------------| | Tensile Strength Range (MPa) | 100-125 | 95-120 | More consistent | | Elongation (%) | 28-38 | 25-35 | Improved | | Erichsen Value (mm) | 9.5-11.0 | 9.0-10.5 | Enhanced | | Surface Quality | Superior | Good | Significant improvement | | Property Consistency | Excellent | Good | Major enhancement | --- #### **Conclusion** Aluminum 8011A alloy represents the premium evolution of the standard 8011 alloy, offering enhanced consistency, improved performance characteristics, and superior quality control. The tighter compositional controls and advanced manufacturing processes result in a material that delivers reliable, predictable performance for the most demanding applications. Its exceptional deep drawing capabilities, combined with enhanced mechanical properties and superior surface quality, make it the material of choice for high-performance packaging, advanced electrical applications, and critical automotive components. The investment in the enhanced 8011A alloy is justified for applications where consistency, reliability, and premium performance are essential requirements, providing manufacturers with greater process control and reduced variability in their production operations.

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 2229 gallon liquid totes Special package is available on request.