8008 Aluminum alloy,Aluminum 8008 alloy，E FORU

### **Aluminum 8008 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8008** is a specialized wrought aluminum alloy designed primarily for applications requiring excellent forming characteristics combined with good strength and surface quality. This non-heat-treatable alloy features a unique chemical composition that makes it particularly suitable for deep drawing applications and components requiring complex forming operations. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥97.8% | | Iron (Fe) | 0.7 - 1.3% | 1.0% | | Silicon (Si) | 0.05 - 0.25% | 0.15% | | Copper (Cu) | 0.10 - 0.20% | 0.15% | | Manganese (Mn) | 0.10 - 0.20% | 0.15% | | Zinc (Zn) | 0.05 - 0.15% | 0.10% | | Titanium (Ti) | 0.01 - 0.05% | 0.03% | | Other Elements (each) | ≤ 0.05% | - | | Total Other Elements | ≤ 0.15% | - | **Key Composition Features:** - Balanced iron content for controlled strengthening - Low silicon for improved formability - Titanium addition for grain refinement - Optimized manganese and copper for balanced properties - Controlled impurity levels for consistent performance --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.73 g/cm³ | 0.0986 lb/in³ | | Melting Range | 643-657°C | 1189-1215°F | | Thermal Conductivity | 160-170 W/m·K | - | | Electrical Conductivity | 52-57% IACS | - | | Modulus of Elasticity | 69 GPa | 10.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.3 × 10⁻⁶/°C | 12.9 × 10⁻⁶/°F | | Specific Heat Capacity | 910 J/kg·K | - | | Electrical Resistivity | 30-34 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H12 Temper | H14 Temper | H24 Temper | |----------|----------|-------------|-------------|------------| | **Tensile Strength (MPa)** | 95-115 | 120-140 | 140-160 | 130-150 | | **Yield Strength (MPa)** | 30-50 | 100-120 | 120-140 | 110-130 | | **Elongation (%)** | 28-35 | 14-18 | 10-14 | 12-16 | | **Shear Strength (MPa)** | 60-75 | 80-95 | 95-110 | 85-100 | | **Hardness (HB)** | 25-35 | 38-48 | 45-55 | 40-50 | | **Fatigue Strength (MPa)** | 50-60 | 70-80 | 85-95 | 75-85 | | **Erichsen Cupping Value (mm)** | 9.5-11.0 | 7.5-9.0 | 6.5-8.0 | 7.0-8.5 | --- #### **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 - **AA Standard**: Aluminum Association Registration **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 - **JIS H4000**: Aluminum and aluminum alloy sheets and plates --- #### **6. Product Applications** **Deep Drawing Applications:** - Deep drawn containers and cans - Complex shaped housings - Pharmaceutical packaging - Food packaging containers - Cosmetic packaging components **Electronic Components:** - Capacitor cases - Battery housings - Electronic enclosures - Connector shells - Shielding cans **Automotive Parts:** - Fuel system components - Sensor housings - Electrical connector bodies - Small mechanical parts - Trim components **General Manufacturing:** - Kitchen utensils - Lighting fixtures - Decorative items - Nameplates and labels - General fabricated components --- #### **7. Key Characteristics** **Advantages:** - **Excellent deep drawing capability** - **Good surface quality** for decorative applications - **Adequate strength** in strain-hardened conditions - **Good thermal and electrical conductivity** - **Excellent corrosion resistance** - **Consistent mechanical properties** - **Good annealing response** **Limitations:** - Limited high-temperature performance - Moderate strength compared to heat-treatable alloys - Specialized application focus - Requires proper tooling for optimal forming --- #### **8. Processing Characteristics** **Forming Operations:** - **Outstanding deep drawing** performance - **Excellent stretch forming** characteristics - **Good bendability** - minimum bend radius: 0.5t (in O temper) - **Superior spin forming** capability - **Easy blanking and piercing** **Machining:** - Fair machinability rating: 40% (relative to 2011-T3=100%) - Produces continuous chips requiring breakers - Recommended tool geometry: Positive rake angles - Optimal cutting speed: 100-220 m/min - Good surface finish achievable **Joining Methods:** - **Welding**: Very good - all conventional methods suitable - **Brazing**: Excellent - **Soldering**: Excellent - **Adhesive bonding**: Very good - **Mechanical fastening**: Good with proper design --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Excellent resistance - **Pitting Resistance**: Very good in most environments - **Stress Corrosion Cracking**: Not susceptible - **Galvanic Corrosion**: Good performance with proper isolation - **Food and Chemical Resistance**: Suitable for most applications **Protection Methods:** - Chemical conversion coatings - Anodizing (produces excellent results) - Painting and powder coating - Electroplating when required --- #### **10. Heat Treatment & Tempers** **Available Tempers:** - **O (Annealed)**: Full soft condition for maximum formability - **H12**: Quarter-hard strain hardened - **H14**: Half-hard strain hardened - **H16**: Three-quarter hard strain hardened - **H18**: Full-hard strain hardened - **H22, H24, H26**: Strain hardened and partially annealed **Annealing Process:** - Full annealing: 345°C (650°F) for 2-3 hours - Intermediate annealing: 315-345°C (600-650°F) for 1-2 hours - Stress relief: 230-260°C (450-500°F) for 1-2 hours --- #### **11. Quality Assurance** **Testing Requirements:** - Chemical composition analysis - Mechanical property verification - Deep drawing testing (Erichsen test) - Surface quality inspection - Grain size examination - Formability testing **Certification:** - Mill test certificate to applicable standards - Material traceability documentation - Compliance with food contact regulations (where applicable) - Customer-specific quality requirements --- #### **12. Comparison with Similar Alloys** | Property | 8008-O | 1100-O | 3003-O | |----------|---------|---------|---------| | Tensile Strength (MPa) | 95-115 | 75-95 | 95-125 | | Yield Strength (MPa) | 30-50 | 25-35 | 35-55 | | Elongation (%) | 28-35 | 30-40 | 25-35 | | Erichsen Value (mm) | 9.5-11.0 | 8.5-10.0 | 9.0-10.5 | | Deep Drawability | Excellent | Very Good | Good | --- #### **Conclusion** Aluminum 8008 alloy represents an excellent choice for applications requiring superior formability, particularly deep drawing operations. Its balanced chemical composition provides an optimal combination of formability, strength, and surface quality, making it ideal for packaging, electronic components, and various formed parts. The alloy's consistent performance in manufacturing processes, combined with its good corrosion resistance and surface characteristics, has established it as a valuable material for precision forming applications. While it may not offer the highest mechanical strength among aluminum alloys, its exceptional forming capabilities and reliable performance make it the preferred choice for applications where complex shapes and deep drawn configurations are required.

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 2225 gallon liquid totes Special package is available on request.