6101-T61 Aluminum alloy,Aluminum 6101-T61 alloy,E FORU

### **Aluminum 6101-T61 Alloy: Product Introduction** **Overview** Aluminum 6101-T61 is a heat-treatable aluminum-magnesium-silicon alloy supplied in the solution heat-treated and artificially aged condition, with the "T61" designation indicating a **specific aging treatment** that provides **optimal electrical conductivity** while maintaining **good mechanical strength**. This temper is particularly designed for **electrical conductor applications** where the perfect balance between electrical performance and mechanical properties is critical. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | |---------|-------------|-------------| | Silicon (Si) | 0.30 | 0.7 | | Iron (Fe) | - | 0.50 | | Copper (Cu) | - | 0.10 | | Manganese (Mn) | - | 0.03 | | Magnesium (Mg) | 0.35 | 0.8 | | Chromium (Cr) | - | 0.03 | | Zinc (Zn) | - | 0.10 | | Titanium (Ti) | - | 0.03 | | Other (Each) | - | 0.03 | | Other (Total) | - | 0.10 | | **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** | 56-60% IACS | 56-60% IACS | | **Thermal Conductivity** | 200-215 W/m·K | 1160-1245 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 for 6101-T61:** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Tensile Strength** | 230-270 MPa | 33-39 ksi | | **Yield Strength (0.2% Offset)** | 200-240 MPa | 29-35 ksi | | **Elongation (in 50mm)** | 12-16% | 12-16% | | **Hardness (Brinell)** | 72-82 HB | 72-82 HB | | **Shear Strength** | 145-175 MPa | 21-25 ksi | | **Fatigue Strength** | 95-115 MPa | 14-17 ksi | --- #### **4. International Standards** * **ASTM Standards:** * **ASTM B317**: Standard Specification for Extruded Bar, Rod, Pipe, and Structural Shapes for Electrical Purposes (Bus Conductor) * **ASTM B396**: Standard Specification for Aluminum-Alloy 6101-T61 and 6101-T63 Extruded Round Tube for Electrical Purposes * **European Standards (EN):** * EN 573-3: Chemical composition (Designation: EN AW-6101) * EN 754-2: Mechanical properties for drawn bars and tubes * **IEC Standards:** * IEC 60104: Aluminum-magnesium-silicon alloy wire for overhead line conductors * IEC 60889: Hard-drawn aluminum wire for overhead line conductors * **ISO Standards:** * ISO 6361-2: Wrought aluminum and aluminum alloy sheets, strips and plates * ISO 6362-2: Wrought aluminum and aluminum alloy extruded rods/bars, tubes and profiles --- #### **5. Product Applications** **Electrical Power Transmission:** - High-voltage bus bars - Electrical busway systems - Power distribution conductors - Electrical switchgear components **Overhead Power Lines:** - ACSR (Aluminum Conductor Steel Reinforced) cores - All-aluminum alloy conductors - Electrical transmission lines - Power line reinforcement components **Electrical Hardware:** - Transformer structural components - Electrical connector systems - Circuit breaker parts - Electrical insulator hardware **Specialized Electrical Applications:** - Heat sinks for high-power electronics - Electrical housing and enclosures - Power electronic substrates - Electrical machinery components --- #### **6. Key Characteristics & Advantages** * **Optimized Electrical Conductivity:** Specially aged for maximum electrical performance * **Good Mechanical Strength:** Adequate strength for structural electrical applications * **Excellent Thermal Conductivity:** Superior heat dissipation characteristics * **Superior Corrosion Resistance:** Excellent performance in various environments * **Good Weldability:** Suitable for most welding methods with proper procedures * **Stable Properties:** Consistent performance under varying conditions * **Excellent Fatigue Resistance:** Good performance under cyclic loading --- #### **7. Heat Treatment Process** **Solution Heat Treatment:** - Temperature: 520-530°C (968-986°F) - Time: 30-60 minutes depending on thickness - Quenching: Controlled rapid water quenching **Artificial Aging (T61 Specific):** - Temperature: 155-165°C (311-329°F) - Time: 8-12 hours (optimized for electrical properties) - Cooling: Controlled air cooling --- #### **8. Processing and Fabrication** **Machining Characteristics:** - Good machinability with proper tooling - Suitable for precision electrical components - Good surface finish obtainable - Requires carbide tooling for best results **Forming Limitations:** - Limited formability in T61 condition - Suitable for minor straightening only - Specialized equipment required for forming - High springback characteristics **Joining Methods:** - Good weldability using TIG and MIG methods - Requires qualified welding procedures - Mechanical fastening preferred - Suitable for electrical connection methods **Surface Treatment Compatibility:** - Good for chemical conversion coatings - Suitable for painting and protective coatings - Can be anodized if required - Maintains electrical properties with proper treatment --- #### **9. Quality Assurance** **Testing Requirements:** - Precision electrical conductivity testing - Mechanical property verification - Chemical composition analysis - Surface quality inspection - Dimensional accuracy verification **Certification:** - Mill test certificates per ASTM B396 - Electrical performance certification - Process control documentation - Full traceability records --- **Technical Note:** Aluminum 6101-T61 represents a specially optimized temper condition specifically developed for electrical conductor applications where maximum electrical conductivity is paramount. The T61 aging treatment is carefully controlled to achieve the optimal precipitate structure that provides the best possible electrical performance while maintaining adequate mechanical strength. This makes 6101-T61 particularly valuable for high-performance electrical applications such as bus bars, electrical conductors, and power distribution components where energy efficiency and electrical performance are critical. The specific aging parameters used in the T61 treatment differentiate it from standard T6 temper, providing enhanced electrical characteristics suitable for the most demanding 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 2034 gallon liquid totes Special package is available on request.