8040 Aluminum alloy,Aluminum 8040 alloy，E FORU

### **Aluminum 8040 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8040** is a specialized wrought aluminum alloy from the 8000 series, specifically developed for electrical applications requiring optimized conductivity and mechanical properties. This alloy is part of the family of aluminum conductors and is designed to meet the demanding requirements of modern electrical power transmission and distribution systems, offering an excellent balance of electrical performance, mechanical strength, and manufacturing versatility. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥99.0% | | Iron (Fe) | 0.15 - 0.30% | 0.22% | | Silicon (Si) | 0.10 - 0.20% | 0.15% | | Copper (Cu) | ≤ 0.03% | 0.02% | | Manganese (Mn) | 0.02 - 0.08% | 0.05% | | Zinc (Zn) | ≤ 0.04% | 0.02% | | Magnesium (Mg) | ≤ 0.04% | 0.02% | | Boron (B) | 0.01 - 0.03% | 0.02% | | Titanium (Ti) | ≤ 0.02% | 0.01% | | Vanadium (V) | ≤ 0.02% | 0.01% | | Other Elements (each) | ≤ 0.01% | - | | Total Other Elements | ≤ 0.05% | - | **Key Composition Features:** - Ultra-high purity base composition - Specially controlled for maximum electrical conductivity - Boron addition for enhanced conductivity performance - Minimal impurity levels for optimal electrical properties - Specifically optimized for electrical conductor applications --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.70 g/cm³ | 0.0975 lb/in³ | | Melting Range | 657-660°C | 1215-1220°F | | Thermal Conductivity | 228-235 W/m·K | - | | Electrical Conductivity | 61-63% 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 | 27.4-28.3 nΩ·m | - | --- #### **4. Mechanical Properties** **Typical Properties in Various Tempers:** | Property | O Temper | H12 Temper | H14 Temper | H16 Temper | H19 Temper | |----------|----------|-------------|-------------|-------------|------------| | **Tensile Strength (MPa)** | 70-90 | 110-130 | 130-150 | 150-170 | 185-205 | | **Yield Strength (MPa)** | 20-35 | 90-110 | 110-130 | 130-150 | 175-195 | | **Elongation in 50 mm** | 35-45 | 16-20 | 12-16 | 8-12 | 2-4 | | **Hardness (Brinell)** | 18-28 | 32-42 | 40-50 | 48-58 | 62-72 | | **Shear Strength (MPa)** | 45-60 | 75-90 | 90-105 | 105-120 | 130-145 | **Electrical Properties:** - **Volume Conductivity**: 61-63% IACS (minimum) - **Temperature Coefficient**: 0.00403/°C at 20°C - **Current Carrying Capacity**: Excellent - **Skin Effect Performance**: Optimized for power frequencies - **Stable Electrical Properties** across temperature range --- #### **5. International Standards** **Primary Specifications:** - **IEC 60228**: Conductors of insulated cables - **EN 573-3**: Aluminum and aluminum alloys - Chemical composition - **ISO 209**: Wrought aluminum and aluminum alloys **Electrical Standards:** - **IEC 60121**: International standard for electrical aluminum alloys - **ASTM B230**: Standard Specification for Aluminum 1350-H19 Wire - **BS 215**: Aluminum conductors in insulated cables - **NF C32-102**: French standard for electrical 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** **Power Transmission:** - Overhead power lines - Transmission conductors - Distribution cables - Substation connectors - Power grid components **Electrical Cables:** - Building wire and cables - Power distribution cables - Control cables - Instrumentation cables - Special purpose cables **Electrical Components:** - Bus bar systems - Transformer windings - Electrical motor components - Switchgear conductors - Power electronic components **Special Applications:** - Renewable energy systems - Electric vehicle power systems - High-efficiency motors - Power quality equipment - Energy storage systems --- #### **7. Key Characteristics** **Electrical Performance:** - **Excellent Electrical Conductivity** (61-63% IACS) - **Superior Current Carrying Capacity** - **Low Electrical Losses** - **Stable Performance** under varying conditions - **Optimized for Power Frequencies** **Mechanical Advantages:** - **Good Strength-to-Weight Ratio** - **Excellent Fatigue Resistance** - **Good Creep Performance** - **Reliable Long-term Mechanical Properties** - **Adequate Formability** for conductor manufacturing --- #### **8. Processing Characteristics** **Wire Drawing:** - Excellent drawing characteristics - Consistent mechanical properties - Good surface quality - Minimal breakage during processing - High production efficiency **Stranding and Laying:** - Good flexibility for stranding - Consistent performance in cable laying - Excellent formability for various conductor designs - Reliable performance in compact conductors **Joining Methods:** - **Excellent Welding** characteristics - **Superior Compression Joint** performance - **Good Brazing** and soldering - **Reliable Mechanical Connectors** - **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** in electrical applications **Special Features:** - Stable contact resistance over time - Reliable performance in various environments - Good resistance to industrial atmospheres - Suitable for outdoor applications --- #### **10. Quality Assurance** **Testing Requirements:** - Precision conductivity measurements - Comprehensive mechanical testing - Surface quality inspection - Dimensional accuracy verification - Electrical performance validation **Specialized Testing:** - DC resistance measurement - Tensile testing of wires and strands - Wrapping tests for ductility - Torsion testing - Stress-strain relationship analysis --- #### **11. Comparison with Electrical Alloys** | Property | 8040-H19 | 1350-H19 | 8030-H19 | |----------|-----------|-----------|-----------| | Electrical Conductivity (% IACS) | 61-63 | 61-63 | 60-62 | | Tensile Strength (MPa) | 185-205 | 180-200 | 175-195 | | Elongation (%) | 2-4 | 1.5-3.5 | 2-4 | | Typical Applications | Premium electrical | Standard electrical | Specialized electrical | --- #### **Conclusion** Aluminum 8040 alloy represents a premium electrical conductor material designed to meet the highest standards of electrical performance and reliability. Its ultra-high purity composition and specialized manufacturing process ensure maximum electrical conductivity and consistent mechanical properties, making it particularly suitable for critical power transmission and distribution applications. The alloy's excellent balance of electrical and mechanical properties, combined with its reliable processing characteristics and long-term performance stability, make it an ideal choice for modern electrical systems where efficiency, reliability, and performance are paramount. The continued development and application of 8040 alloy demonstrate the ongoing commitment to advancing aluminum conductor technology to meet the evolving demands of global electrical power infrastructure.

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 2248 gallon liquid totes Special package is available on request.