8025 Aluminum alloy,Aluminum 8025 alloy，E FORU

### **Aluminum 8025 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8025** is a specialized wrought aluminum alloy from the 8000 series, designed for applications requiring excellent deep drawing characteristics combined with good mechanical properties. This non-heat-treatable alloy features a carefully balanced composition that makes it particularly suitable for demanding forming applications, especially in the packaging industry and other sectors where superior formability and consistent performance are essential requirements. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.5% | | Iron (Fe) | 0.50 - 0.80% | 0.65% | | Silicon (Si) | 0.30 - 0.60% | 0.45% | | Copper (Cu) | ≤ 0.05% | 0.03% | | Manganese (Mn) | 0.10 - 0.25% | 0.18% | | 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 deep drawing performance - Enhanced purity for excellent surface quality - Controlled alloying elements for consistent mechanical properties - Low impurity levels for improved corrosion resistance - Specifically designed for severe forming operations --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.71 g/cm³ | 0.0979 lb/in³ | | Melting Range | 645-655°C | 1193-1211°F | | Thermal Conductivity | 195-205 W/m·K | - | | Electrical Conductivity | 50-54% 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 | 32-35 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H12 Temper | H14 Temper | H16 Temper | H18 Temper | |----------|----------|-------------|-------------|-------------|------------| | **Tensile Strength (MPa)** | 90-110 | 125-145 | 145-165 | 165-185 | 185-205 | | **Yield Strength (MPa)** | 35-55 | 105-125 | 125-145 | 145-165 | 165-185 | | **Elongation in 50 mm** | 30-40 | 16-20 | 12-16 | 8-12 | 5-8 | | **Hardness (Brinell)** | 28-38 | 40-50 | 48-58 | 56-66 | 64-74 | | **Shear Strength (MPa)** | 60-75 | 85-100 | 100-115 | 115-130 | 130-145 | | **Fatigue Strength (MPa)** | 50-60 | 70-80 | 85-95 | 95-105 | 105-115 | **Special Forming Characteristics:** - **Erichsen Cupping Value**: 9.5-11.0 mm (O temper) - **Limit Drawing Ratio**: 2.1-2.3 - **Minimum Bend Radius**: 0t (in O temper) - **Plastic Strain Ratio (r-value)**: 0.70-0.80 - **Strain Hardening Exponent (n-value)**: 0.25-0.30 --- #### **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** **Deep Drawing Applications:** - Deep drawn containers and cans - Complex shaped housings - Pharmaceutical packaging components - Food packaging containers - Cosmetic packaging parts **Packaging Industry:** - Container stock - Lid stock applications - Flexible packaging materials - Specialty packaging components - Aseptic packaging systems **Electrical Components:** - Electrical connector shells - Capacitor cases - Battery housings - Electronic enclosures - Transformer components **General Manufacturing:** - Kitchen utensils - Lighting fixtures - Decorative items - Hardware components - General fabricated parts --- #### **7. Key Characteristics** **Advantages:** - **Excellent Deep Drawing Capability** - **Superior Formability** in annealed condition - **Good Surface Quality** - **Adequate Mechanical Strength** - **Good Corrosion Resistance** - **Consistent Performance** - **Cost-Effective Manufacturing** **Manufacturing Benefits:** - Suitable for severe forming operations - Reduced risk of cracking during forming - Consistent springback characteristics - Good surface finish after forming - Reliable performance in high-volume production --- #### **8. Processing Characteristics** **Forming Operations:** - **Outstanding Deep Drawing** performance - **Excellent Bendability** - tight radius bending capability - **Good Stretch Forming** characteristics - **Easy Roll Forming** - **Superior Spinning** capability **Machining:** - Good machinability rating: 50% - Produces continuous chips - Recommended cutting speed: 100-220 m/min - Good surface finish achievable - Standard tooling requirements **Joining Methods:** - **Excellent Weldability** - all conventional methods suitable - **Good Brazing** characteristics - **Excellent Soldering** performance - **Adhesive Bonding** - good with proper preparation - **Mechanical Fastening** - reliable 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 **Special Features:** - Suitable for food contact applications - Good performance in humid environments - Consistent surface properties - Reliable long-term performance --- #### **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 - Deep drawing testing (Erichsen test) - Surface quality inspection - Formability 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 | 8025-O | 8011-O | 3003-O | |----------|---------|---------|---------| | Tensile Strength (MPa) | 90-110 | 95-120 | 95-125 | | Yield Strength (MPa) | 35-55 | 35-55 | 35-55 | | Elongation (%) | 30-40 | 25-35 | 25-35 | | Deep Drawability | Excellent | Excellent | Good | | Erichsen Value (mm) | 9.5-11.0 | 9.0-10.5 | 9.0-10.5 | --- #### **Conclusion** Aluminum 8025 alloy represents a premium material solution for applications requiring exceptional deep drawing characteristics and superior formability. Its optimized chemical composition and carefully controlled manufacturing process ensure excellent performance in severe forming operations, making it particularly valuable for deep drawn containers, complex housings, and other applications where maximum formability is essential. The alloy's consistent mechanical properties, good surface quality, and reliable processing characteristics provide manufacturers with predictable performance and reduced production variables. The combination of excellent formability with adequate strength and good corrosion resistance makes 8025 alloy an ideal choice for demanding applications in the packaging, electrical, and general manufacturing industries where both aesthetic appeal and functional 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 2245 gallon liquid totes Special package is available on request.