8020 Aluminum alloy,Aluminum 8020 alloy，E FORU

### **Aluminum 8020 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8020** is a specialized wrought aluminum alloy from the 8000 series, specifically designed for applications requiring an optimal balance of electrical conductivity, mechanical strength, and thermal stability. This non-heat-treatable alloy features a carefully controlled composition that makes it particularly suitable for electrical and electronic applications where reliable performance under varying thermal conditions is essential. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.5% | | Iron (Fe) | 0.30 - 0.50% | 0.40% | | Silicon (Si) | 0.10 - 0.25% | 0.18% | | Copper (Cu) | ≤ 0.02% | 0.01% | | Manganese (Mn) | 0.03 - 0.10% | 0.06% | | Zinc (Zn) | ≤ 0.04% | 0.02% | | Magnesium (Mg) | ≤ 0.04% | 0.02% | | Boron (B) | 0.01 - 0.04% | 0.02% | | Titanium (Ti) | ≤ 0.02% | 0.01% | | Other Elements (each) | ≤ 0.01% | - | | Total Other Elements | ≤ 0.06% | - | **Key Composition Features:** - Ultra-high purity base with minimal impurities - Specially controlled for maximum electrical conductivity - Boron addition for enhanced conductivity and grain refinement - Optimized for stable thermal and electrical properties - Superior purity compared to standard electrical alloys --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.70 g/cm³ | 0.0975 lb/in³ | | Melting Range | 658-660°C | 1216-1220°F | | Thermal Conductivity | 230-240 W/m·K | - | | Electrical Conductivity | 62-65% IACS | - | | Modulus of Elasticity | 69 GPa | 10.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/°C | 13.2 × 10⁻⁶/°F | | Specific Heat Capacity | 900 J/kg·K | - | | Electrical Resistivity | 26.5-28.5 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H12 Temper | H14 Temper | H16 Temper | |----------|----------|-------------|-------------|-------------| | **Tensile Strength (MPa)** | 70-90 | 100-120 | 120-140 | 140-160 | | **Yield Strength (MPa)** | 20-35 | 80-100 | 100-120 | 120-140 | | **Elongation in 50 mm** | 35-45 | 16-20 | 12-16 | 8-12 | | **Hardness (Brinell)** | 18-28 | 30-40 | 38-48 | 46-56 | | **Shear Strength (MPa)** | 45-60 | 70-85 | 85-100 | 100-115 | | **Fatigue Strength (MPa)** | 30-40 | 50-60 | 65-75 | 75-85 | **Special Electrical Properties:** - **Volume Conductivity**: 62-65% IACS (minimum) - **Temperature Coefficient**: 0.0040/°C at 20°C - **Stable Electrical Properties** across temperature range - **Low Contact Resistance** - **Excellent High-Frequency Performance** --- #### **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 - **IEC 60121**: International standard for electrical aluminum alloys **Electrical Standards:** - **IEC 60228**: Conductors of insulated cables - **ASTM B230**: Standard Specification for Aluminum 1350-H19 Wire for Electrical Purposes - **BS 215**: Aluminum conductors in insulated cables **Quality Standards:** - **ISO 9001**: Quality management systems - **RoHS Compliance**: Restriction of Hazardous Substances - **REACH Compliance**: Registration, Evaluation, Authorisation and Restriction of Chemicals --- #### **6. Product Applications** **High-Performance Electrical:** - High-efficiency power transmission lines - Premium electrical cable conductors - High-current bus bar systems - Precision transformer windings - Critical power distribution components **Electronics & Semiconductor:** - High-frequency electronic components - Semiconductor manufacturing equipment - Precision electrical contacts - High-performance heat sinks - Electronic packaging components **Aerospace Electrical:** - Aircraft electrical systems - Avionics components - Aerospace power distribution - Satellite electrical systems - Military electronics **Special Applications:** - Medical equipment electrical components - Research laboratory equipment - High-precision measuring instruments - Renewable energy systems - Electric vehicle power systems --- #### **7. Key Characteristics** **Electrical Performance:** - **Exceptional Electrical Conductivity** (62-65% IACS) - **Superior Current Carrying Capacity** - **Excellent Thermal Conductivity** - **Minimal Electrical Losses** - **Stable Performance** under varying conditions **Mechanical & Physical:** - **Good Formability** in annealed condition - **Adequate Mechanical Strength** - **Excellent Thermal Stability** - **Superior Surface Quality** - **Consistent Property Distribution** --- #### **8. Processing Characteristics** **Forming Operations:** - **Excellent Bendability** and formability - **Good Drawing Characteristics** for wire production - **Easy Roll Forming** for bus bars - **Precision Stamping** capability - **Consistent Springback** characteristics **Machining:** - Good machinability rating: 55% - Clean chip formation - Recommended cutting speed: 120-250 m/min - Excellent surface finish achievable - Minimal tool wear **Joining Methods:** - **Superior Welding** characteristics - **Excellent Brazing** performance - **Premium Soldering** quality - **Reliable Compression Joints** - **Consistent Electrical Connections** --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Excellent Atmospheric Corrosion** resistance - **Good Oxidation Resistance** - **Stable Surface Properties** - **Low Galvanic Corrosion** potential - **Consistent Long-term Performance** **Electrical Contact Properties:** - Stable contact resistance over time - Reliable surface oxide characteristics - Consistent electrical performance - Minimal degradation in service --- #### **10. Quality Assurance** **Advanced Testing Protocol:** - Precision conductivity measurements - Advanced resistivity testing - Comprehensive mechanical property verification - Surface quality and purity analysis - Thermal stability testing **Certification Requirements:** - Enhanced mill test certificates with detailed electrical data - Full material traceability - Electrical performance certification - Compliance with international quality standards - Customer-specific performance validation --- #### **11. Comparison with Premium Electrical Alloys** | Property | 8020-H14 | 1350-H14 | 8030-H14 | |----------|-----------|-----------|-----------| | Electrical Conductivity (% IACS) | 62-65 | 61-63 | 60-62 | | Tensile Strength (MPa) | 120-140 | 125-145 | 130-150 | | Purity Level | Ultra-high | High | High | | Typical Applications | Premium electrical | Standard electrical | Specialized electrical | --- #### **Conclusion** Aluminum 8020 alloy represents the pinnacle of electrical-grade aluminum materials, offering exceptional electrical conductivity combined with reliable mechanical properties and superior manufacturing characteristics. Its ultra-high purity composition and specialized manufacturing process ensure maximum electrical performance, making it the material of choice for the most demanding electrical and electronic applications. The alloy's consistent quality, stable performance under varying conditions, and excellent processing characteristics make it particularly valuable for high-efficiency power transmission, precision electronics, aerospace electrical systems, and other applications where electrical performance is critical. The investment in 8020 alloy is justified for applications where maximum conductivity, reliability, and long-term performance are essential requirements, providing engineers and designers with a premium material solution for the most challenging electrical applications.

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 2238 gallon liquid totes Special package is available on request.