6201A Aluminum alloy,Aluminum 6201A alloy,E FORU

### **Aluminum 6201A Alloy: Product Introduction** **Overview** Aluminum 6201A is a high-strength aluminum-magnesium-silicon alloy specifically designed for **electrical conductor applications**. As an enhanced variant of the standard 6201 alloy, it offers **improved electrical conductivity** combined with **superior mechanical properties**, making it particularly suitable for overhead power transmission lines and other electrical applications where both electrical performance and mechanical reliability are critical. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | Notes | |---------|-------------|-------------|-------| | Silicon (Si) | 0.50 | 0.9 | Optimized for strength and conductivity balance | | Iron (Fe) | - | 0.30 | Tightly controlled to minimize conductivity loss | | Copper (Cu) | - | 0.02 | Kept extremely low for maximum conductivity | | Manganese (Mn) | - | 0.03 | Minimized for optimal electrical properties | | Magnesium (Mg) | 0.6 | 0.9 | Carefully balanced for optimal properties | | Chromium (Cr) | - | 0.02 | Kept at absolute minimum | | Zinc (Zn) | - | 0.08 | Strict impurity control | | Titanium (Ti) | - | 0.03 | Minimal grain refiner | | Boron (B) | 0.02 | 0.06 | Controlled addition for grain refinement | | Other (Each) | - | 0.02 | Enhanced purity requirements | | Other (Total) | - | 0.08 | Tighter control than standard grade | | **Aluminum (Al)** | **Balance** | | | --- #### **2. Physical 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** | 58-62% IACS | 58-62% IACS | | **Thermal Conductivity** | 205-220 W/m·K | 1190-1275 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.4 × 10⁻⁶/°C | 13.0 × 10⁻⁶/°F | | **Modulus of Elasticity** | 68.9 GPa | 10,000 ksi | --- #### **3. Mechanical Properties** **Typical Mechanical Properties by Temper:** | Property | T4 Temper | T6 Temper | T81 Temper | |----------|-----------|-----------|------------| | **Tensile Strength** | 240-280 MPa | 310-350 MPa | 330-370 MPa | | **Yield Strength (0.2% Offset)** | 130-170 MPa | 285-325 MPa | 300-340 MPa | | **Elongation (in 50mm)** | 14-18% | 8-12% | 7-11% | | **Hardness (Brinell)** | 75-85 HB | 100-110 HB | 105-115 HB | | **Shear Strength** | 165-195 MPa | 200-230 MPa | 210-240 MPa | --- #### **4. International Standards** * **European Standards (EN):** * EN 573-3: Chemical composition (Designation: EN AW-6201A) * EN 754-2: Mechanical properties for drawn bars and tubes * EN 1376-2: Conductors for overhead lines * **IEC Standards:** * IEC 60104: Aluminum-magnesium-silicon alloy wire for overhead line conductors * IEC 60889: Hard-drawn aluminum wire for overhead line conductors * IEC 62004: Thermal-resistant aluminum alloy wire for overhead line conductor * **ASTM Standards:** * ASTM B396: Standard Specification for Aluminum-Alloy 6101-T61 and 6101-T63 Extruded Round Tube for Electrical Purposes * **National Standards:** * GB/T 23308-2009 (China) * JIS H4040 (Japan) --- #### **5. Product Applications** **High-Performance Electrical Transmission:** - All Aluminum Alloy Conductors (AAAC) - High-voltage transmission lines - Extra high voltage (EHV) conductors - Power distribution lines **Electrical Hardware:** - Bus bars and bus bar systems - Electrical connector parts - Transformer components - Switchgear current-carrying parts **Specialized Electrical Applications:** - High-efficiency heat sinks - Power electronic substrates - Electrical vehicle charging components - Renewable energy power systems **Infrastructure Applications:** - Overhead ground wires - Messenger wires - Guy wires - Electrical support systems --- #### **6. Key Characteristics & Advantages** * **Enhanced Electrical Conductivity:** Superior conductivity through optimized chemical composition * **High Mechanical Strength:** Excellent strength-to-weight ratio for electrical applications * **Superior Thermal Performance:** Enhanced heat dissipation capabilities * **Excellent Fatigue Resistance:** Superior performance under cyclic loading conditions * **Good Corrosion Resistance:** Enhanced performance in various environmental conditions * **Improved Thermal Stability:** Better performance at elevated temperatures * **Excellent Consistency:** Tight compositional control ensures batch-to-batch reliability --- #### **7. Heat Treatment Process** **Solution Heat Treatment:** - Temperature: 515-525°C (959-977°F) - Time: 45-75 minutes with precise control - Quenching: Controlled rapid water quenching **Artificial Aging:** - T6 Temper: 160-170°C (320-338°F) for 8-12 hours - T81 Temper: Specialized treatment for optimal properties - Cooling: Controlled air cooling --- #### **8. Processing and Fabrication** **Wire Drawing Characteristics:** - Excellent for fine wire drawing - Superior surface quality - Consistent mechanical properties - Minimal breakage during processing **Machining Properties:** - Good machinability with proper tooling - Suitable for precision electrical components - Good surface finish obtainable - Minimal tool wear **Forming Operations:** - Good for bending and forming - Suitable for complex shapes - Controlled springback characteristics - Excellent for stranded conductor manufacturing **Joining Methods:** - Excellent weldability with clean joints - Superior brazing characteristics - Mechanical connections easily accomplished - Suitable for all electrical joining methods --- #### **9. Quality Assurance** **Enhanced Testing Requirements:** - Precision electrical conductivity testing - Advanced mechanical property verification - Strict chemical composition analysis - Microstructural examination - Fatigue and creep testing **Premium Certification:** - EN 10204 3.2 certification - Enhanced traceability requirements - Third-party quality verification - Electrical performance certification - Batch consistency documentation --- **Technical Note:** Aluminum 6201A represents a premium electrical-grade aluminum alloy specifically engineered for high-performance electrical conductor applications. The enhanced chemical composition, with tighter impurity controls and optimized magnesium-silicon ratio, ensures maximum electrical performance while maintaining excellent mechanical properties. This alloy is particularly valuable for high-voltage transmission lines and critical electrical infrastructure where energy efficiency, reliability, and long-term performance are paramount. The combination of enhanced electrical characteristics, superior mechanical properties, and exceptional consistency makes 6201A the material of choice for demanding electrical applications where performance cannot be compromised.

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 2056 gallon liquid totes Special package is available on request.