6063-T6 Aluminum alloy,Aluminum 6063-T6 alloy,E FORU

### **Aluminum 6063-T6 Alloy: Product Introduction** **Overview** Aluminum 6063-T6 is a heat-treatable aluminum-magnesium-silicon alloy that has been **solution heat-treated and artificially aged** to achieve its maximum practical strength and hardness. This temper represents the **highest strength condition** commonly available for 6063 aluminum, offering superior mechanical properties while maintaining good corrosion resistance and excellent surface characteristics. The T6 treatment provides optimal performance for structural applications where strength and durability are paramount. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | |---------|-------------|-------------| | Silicon (Si) | 0.20 | 0.60 | | Iron (Fe) | - | 0.35 | | Copper (Cu) | - | 0.10 | | Manganese (Mn) | - | 0.10 | | Magnesium (Mg) | 0.45 | 0.90 | | Chromium (Cr) | - | 0.10 | | Zinc (Zn) | - | 0.10 | | Titanium (Ti) | - | 0.10 | | Other (Each) | - | 0.05 | | Other (Total) | - | 0.15 | | **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** | 50-54% IACS | 50-54% IACS | | **Thermal Conductivity** | 175-190 W/m·K | 1015-1100 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 6063-T6:** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Tensile Strength** | 215-245 MPa | 31-36 ksi | | **Yield Strength (0.2% Offset)** | 170-190 MPa | 25-28 ksi | | **Elongation (in 50mm)** | 8-12% | 8-12% | | **Hardness (Brinell)** | 75-85 HB | 75-85 HB | | **Shear Strength** | 135-150 MPa | 20-22 ksi | | **Fatigue Strength** | 90-105 MPa | 13-15 ksi | --- #### **4. International Standards** * **ASTM Standards:** * ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes * ASTM B210: Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes * ASTM B241: Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube * **European Standards (EN):** * EN 573-3: Chemical composition (Designation: EN AW-6063) * EN 755-2: Mechanical properties for extruded products * **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** **Structural Applications:** - High-strength architectural structures - Load-bearing building components - Structural frameworks and supports - Bridge railings and structural elements **Transportation Industry:** - Automotive structural components - Truck and trailer structural members - Railway vehicle structures - Marine structural components **Industrial Equipment:** - Machinery frames and supports - Material handling equipment - Industrial platform structures - Heavy-duty equipment components **Special Applications:** - High-strength heat sinks - Electrical bus bar systems - Defense equipment components - Specialized structural systems --- #### **6. Key Characteristics & Advantages** * **High Strength-to-Weight Ratio:** Superior mechanical properties with lightweight aluminum characteristics * **Excellent Structural Capability:** Suitable for load-bearing applications * **Good Corrosion Resistance:** Maintains excellent atmospheric corrosion resistance * **Excellent Surface Quality:** Ideal for high-quality architectural finishes * **Good Weldability:** Can be welded using common methods with proper procedures * **Adequate Machinability:** Can be machined using appropriate techniques and tooling * **Thermal Stability:** Maintains properties at moderate temperatures --- #### **7. Heat Treatment Process** **Solution Heat Treatment:** - Temperature: 515-525°C (960-980°F) - Time: Sufficient for complete solutionizing (typically 30-60 minutes) - Quenching: Rapid cooling in water **Artificial Aging Process:** - Temperature: 175-185°C (347-365°F) - Time: 4-8 hours - Cooling: Air cooling after aging **Quality Control:** - Strict temperature and time control - Regular mechanical property testing - Microstructure examination - Hardness verification --- #### **8. Processing and Fabrication** **Forming Characteristics:** - Limited formability compared to softer tempers - Suitable for minor bending and straightening - Requires careful handling during fabrication - Springback must be accounted for in design **Machining Properties:** - Good machinability with carbide tooling - Requires appropriate cutting parameters - Produces good surface finish - Suitable for precision machining operations **Joining Methods:** - Weldable using TIG and MIG methods - Requires post-weld heat treatment for full strength restoration - Suitable for mechanical fastening - Good for adhesive bonding applications **Surface Treatment Compatibility:** - Excellent for anodizing (clear and color) - Suitable for powder coating and painting - Good for chemical conversion coatings - Maintains excellent appearance after treatment --- #### **9. Quality Assurance and Standards** **Testing Requirements:** - Full mechanical property testing - Chemical composition verification - Microstructural examination - Surface quality inspection - Dimensional accuracy checks **Certification:** - Mill test certificates per international standards - Third-party inspection available - Traceability maintained - Quality documentation provided Aluminum 6063-T6 offers the highest practical strength in the 6063 alloy system, making it the preferred choice for structural applications requiring maximum performance. While it sacrifices some formability compared to softer tempers, it provides excellent mechanical properties for applications where strength and durability are primary considerations. The combination of high strength, good corrosion resistance, and excellent surface characteristics makes it invaluable for demanding architectural, transportation, and industrial 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 2004 gallon liquid totes Special package is available on request.