8001-O Aluminum alloy,Aluminum 8001-O alloy，E FORU

### **Aluminum 8001-O Alloy Technical Datasheet** --- #### **1. Product Overview** **8001-O** is a non-heat-treatable wrought aluminum alloy known for its excellent formability and corrosion resistance. The "O" temper indicates the material is in the annealed condition, representing the softest state with maximum ductility and workability. This alloy, characterized by its nickel content, is particularly valued for applications requiring severe forming operations and superior corrosion performance. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.3% | | Iron (Fe) | 0.5 - 1.0% | 0.7% | | Nickel (Ni) | 0.8 - 1.3% | 1.0% | | Silicon (Si) | ≤ 0.15% | 0.10% | | Copper (Cu) | ≤ 0.10% | 0.05% | | Manganese (Mn) | ≤ 0.10% | 0.05% | | Zinc (Zn) | ≤ 0.10% | 0.05% | | Other Elements | ≤ 0.05% each | - | **Key Composition Features:** - Nickel addition enhances strength retention at elevated temperatures - Controlled iron content for moderate strengthening - Low impurity levels ensure excellent corrosion resistance - Balanced composition for optimal formability --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.78 g/cm³ | 0.100 lb/in³ | | Melting Range | 645-655°C | 1193-1211°F | | Thermal Conductivity | 145 W/m·K | - | | Electrical Conductivity | 47% 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 | - | | Thermal Neutron Absorption Cross-section | ~0.24 barns | - | --- #### **4. Mechanical Properties** **Typical Properties in O Temper:** - **Tensile Ultimate Strength**: 95-115 MPa (14-17 ksi) - **Tensile Yield Strength (0.2% Offset)**: 35-50 MPa (5-7 ksi) - **Elongation in 50 mm**: 25-35% - **Shear Strength**: 60-75 MPa (9-11 ksi) - **Hardness (Brinell)**: 25-35 HB - **Fatigue Strength**: 45-55 MPa (7-8 ksi) - **Bearing Strength**: 140-170 MPa (20-25 ksi) - **Modulus of Elasticity in Compression**: 69 GPa (10.0 × 10⁶ psi) --- #### **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 - **DIN 1725-1**: Wrought aluminum alloys - Chemical composition **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 - **EN 1396**: Aluminum and aluminum alloys - Coil coated sheet and strip for general applications --- #### **6. Product Applications** **Deep Drawing & Forming:** - Deep drawn containers and caps - Complex formed housings and enclosures - Pharmaceutical packaging components - Food packaging materials - Chemical packaging applications **Electrical & Electronics:** - Capacitor foil - Electrical connector shells - Transformer windings - Battery casing components - Shielding applications **Thermal Management:** - Heat exchanger fins (after forming) - Cooling system components - Heat sink bases - Thermal transfer plates **General Engineering:** - Gaskets and seals - Decorative trim components - Light reflectors - Nameplates and labels - Filter elements --- #### **7. Key Characteristics** **Advantages:** - **Excellent formability** - suitable for severe deep drawing - **Superior corrosion resistance** - **Good thermal and electrical conductivity** - **Ease of joining** by various methods - **Good surface finish** quality - **Non-toxic and food-safe** - **Good thermal stability** **Limitations:** - Low mechanical strength in annealed condition - Limited availability in some markets - Higher cost than standard 1000 series alloys - Requires work hardening for structural applications --- #### **8. Processing Characteristics** **Forming Operations:** - **Excellent deep drawing** capabilities - **Good stretch forming** characteristics - **High spinability** for spinning operations - **Good bendability** - minimum bend radius: 0t (for 90° bend) - **Easy to blank and pierce** **Machining:** - Fair machinability rating: 20% (relative to 2011-T3=100%) - Produces long, continuous chips - Requires sharp tools with positive rake angles - Recommended cutting speed: 60-120 m/min for turning - Adequate cooling/lubrication recommended **Joining Methods:** - **Welding**: Excellent - all conventional methods suitable - **Brazing**: Very good - **Soldering**: Excellent - **Adhesive bonding**: Very good with proper surface preparation - **Mechanical fastening**: Good, but may require reinforcement --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Excellent - **Pitting Resistance**: Very good - **Stress Corrosion Cracking**: Immune - **Galvanic Corrosion**: Good performance when properly isolated - **Chemical Resistance**: Resistant to most organic chemicals and many inorganic solutions **Typical Applications Environment:** - Indoor and outdoor atmospheric conditions - Fresh water and steam service - Food processing environments - Pharmaceutical manufacturing - Chemical processing (mild conditions) --- #### **10. Heat Treatment & Annealing** **Annealing Process:** - **Full Annealing**: 345°C (650°F) for 2-3 hours, furnace cool - **Stress Relief**: 230-260°C (450-500°F) for 1-2 hours - **Rapid Annealing**: 415°C (775°F) for 10-30 minutes **Recovery Characteristics:** - Complete recrystallization occurs during proper annealing - Grain size control through temperature and time management - No precipitation hardening response --- #### **11. Quality Assurance** **Testing Requirements:** - Chemical composition verification - Mechanical property testing - Formability testing (Erichsen, Olsen tests) - Surface quality inspection - Grain size examination - Corrosion testing when specified **Certification:** - Mill test certificate to applicable standards - Material traceability documentation - Compliance with RoHS, REACH, and FDA regulations - Customer-specific quality certifications available --- #### **12. Comparison with Similar Alloys** | Property | 8001-O | 1100-O | 3003-O | |----------|---------|---------|---------| | Tensile Strength (MPa) | 95-115 | 75-95 | 95-125 | | Yield Strength (MPa) | 35-50 | 25-35 | 35-55 | | Elongation (%) | 25-35 | 30-40 | 25-35 | | Corrosion Resistance | Excellent | Excellent | Very Good | | Thermal Conductivity | Very Good | Excellent | Good | | Maximum Service Temperature | 150°C | 100°C | 120°C | --- #### **Conclusion** Aluminum 8001-O alloy represents an optimal choice for applications demanding maximum formability combined with excellent corrosion resistance. The annealed condition provides the highest possible ductility, making it ideal for severe forming operations such as deep drawing, spinning, and complex bending. The unique nickel content differentiates it from other aluminum alloys, offering improved strength retention at elevated temperatures while maintaining the workability characteristics essential for manufacturing complex components. While its mechanical strength in the O temper is limited, this is precisely what makes it invaluable for applications requiring extensive cold working. The alloy finds particular utility in packaging, electrical components, and thermal management applications where its combination of properties provides significant manufacturing advantages and reliable long-term performance.

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 2221 gallon liquid totes Special package is available on request.