6460B Aluminum alloy,Aluminum 6460B alloy，E FORU

### **Aluminum 6460B Alloy (EN AW-6460B) - Product Introduction** **Aluminum 6460B** is an enhanced version of the standard 6460 aluminum-magnesium-silicon alloy, specifically optimized for superior electrical conductivity and improved mechanical properties. The "B" designation indicates a modified composition with tighter control over impurity elements, resulting in enhanced performance for electrical conductor applications while maintaining good extrudability and corrosion resistance. --- #### **1. Chemical Composition** The chemical composition features tighter control limits for improved electrical performance: | Element | Content (%) (Typical) | Standard Range (EN 573-3) | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Magnesium (Mg)** | 0.35 - 0.6 | 0.35 - 0.6 | | **Silicon (Si)** | 0.25 - 0.5 | 0.25 - 0.5 | | **Iron (Fe)** | ≤ 0.15 | ≤ 0.15 | | **Copper (Cu)** | ≤ 0.02 | ≤ 0.02 | | **Manganese (Mn)** | ≤ 0.02 | ≤ 0.02 | | **Chromium (Cr)** | ≤ 0.02 | ≤ 0.02 | | **Zinc (Zn)** | ≤ 0.05 | ≤ 0.05 | | **Titanium (Ti)** | ≤ 0.02 | ≤ 0.02 | | **Boron (B)** | 0.02 - 0.06 | 0.02 - 0.06 | | **Others (Each)** | ≤ 0.02 | ≤ 0.02 | | **Others (Total)** | ≤ 0.08 | ≤ 0.08 | *The exceptionally low levels of impurity elements (Fe, Cu, Mn, Cr) are critical for achieving maximum electrical conductivity.* --- #### **2. Physical Properties** Aluminum 6460B exhibits superior electrical and thermal properties: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.70 g/cm³ | 0.0975 lb/in³ | | **Melting Range** | 615 - 655 °C | 1140 - 1210 °F | | **Electrical Conductivity** | 58-61 % IACS (T81 Temper) | 58-61 % IACS | | **Thermal Conductivity** | 205-220 W/m·K | 1420-1530 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.1 × 10⁻⁶/K | 12.8 × 10⁻⁶/°F | | **Modulus of Elasticity** | 69 GPa | 10,000 ksi | | **Specific Heat Capacity** | 900 J/kg·K | 0.215 BTU/lb·°F | --- #### **3. Mechanical Properties** Enhanced mechanical properties while maintaining high conductivity: | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |---|---|---|---|---| | **T4** | 180-220 | 90-130 | 18-22 | 55-65 | | **T6** | 240-280 | 210-250 | 12-16 | 80-90 | | **T81** | 260-300 | 240-280 | 10-14 | 85-95 | | **T83** | 280-320 | 260-300 | 8-12 | 90-100 | --- #### **4. International Standards** Aluminum 6460B conforms to the following international standards: * **European Standard (EN):** **EN AW-6460B** (Enhanced electrical grade) * **ISO:** **AlMgSi** under ISO 209 with special electrical properties * **IEC:** **IEC 60104** - Aluminum-magnesium-silicon alloy wire for overhead line conductors * **IEC 62004:** Thermal-resistant aluminum alloy wire for overhead line conductor * **EN 50183:** Conductors for overhead lines - Aluminum-magnesium-silicon type alloys * **ASTM:** **ASTM B396/B396M** for aluminum-alloy 6460B wire * **BSI:** **BS 3242** - Specification for aluminum-magnesium-silicon alloy wire --- #### **5. Product Applications** Premium applications requiring high electrical performance: * **High-Efficiency Power Lines:** Advanced AAAC (All Aluminum Alloy Conductors) * **Electrical Busbars:** High-current distribution systems in power plants and substations * **Renewable Energy Systems:** Solar farm grid connections, wind turbine power transmission * **Railway Electrification:** Overhead catenary systems and power distribution * **Electrical Vehicle Infrastructure:** Charging station busbars and connectors * **High-Voltage Transmission:** Extra-high voltage (EHV) transmission lines * **Electrical Enclosures:** EMI/RFI shielded enclosures requiring conductivity * **Heat Exchangers:** Electrical cooling applications --- #### **6. Key Advantages & Characteristics** * **Superior Electrical Conductivity:** 58-61% IACS, among the highest for structural aluminum alloys * **Enhanced Mechanical Strength:** Improved strength-to-weight ratio compared to standard 6460 * **Excellent Thermal Conductivity:** Superior heat dissipation capabilities * **Low Electrical Losses:** Reduced power loss in transmission applications * **Improved Fatigue Resistance:** Enhanced performance under cyclic loading * **Corrosion Resistance:** Maintains excellent atmospheric corrosion resistance * **Thermal Stability:** Good performance at elevated temperatures * **Manufacturing Consistency:** Tighter composition control ensures batch-to-batch consistency **Electrical Performance Features:** - Minimum electrical conductivity: 58% IACS guaranteed - Low temperature coefficient of resistance - Excellent current-carrying capacity - Reduced skin effect at high frequencies **Quality Assurance:** - Enhanced traceability requirements - Strict composition control - Regular conductivity testing - Certified material test reports **Sustainability Benefits:** - Reduced energy losses in power transmission - Fully recyclable without property degradation - Lower carbon footprint compared to copper alternatives - Long service life reducing replacement frequency --- **Conclusion:** Aluminum 6460B represents the premium grade of electrical conductor alloys, offering an exceptional combination of high electrical conductivity, improved mechanical properties, and manufacturing consistency. Its enhanced composition control and superior performance characteristics make it the material of choice for high-efficiency power transmission and distribution systems. The alloy's compliance with stringent international electrical standards and its proven performance in demanding applications position it as a key material for modern electrical infrastructure projects where energy efficiency and reliability are paramount.

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 2081 gallon liquid totes Special package is available on request.