6063-T4 Aluminum alloy,Aluminum 6063-T4 alloy,E FORU

### **Aluminum 6063-T4 Alloy: Product Introduction** **Overview** Aluminum 6063-T4 is a heat-treatable aluminum-magnesium-silicon alloy in the solution heat-treated and naturally aged condition. This temper provides an **optimal balance between strength and formability**, offering **higher mechanical properties than T1 temper** while maintaining **excellent ductility for forming operations**. The T4 condition is particularly valuable for applications requiring significant fabrication after heat treatment, where components can be formed and then potentially artificially aged to higher strength levels. --- #### **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** | 52-56% IACS | 52-56% IACS | | **Thermal Conductivity** | 180-195 W/m·K | 1045-1130 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-T4:** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Tensile Strength** | 150-190 MPa | 22-28 ksi | | **Yield Strength (0.2% Offset)** | 90-120 MPa | 13-17 ksi | | **Elongation (in 50mm)** | 16-22% | 16-22% | | **Hardness (Brinell)** | 50-65 HB | 50-65 HB | | **Shear Strength** | 105-125 MPa | 15-18 ksi | | **Fatigue Strength** | 70-85 MPa | 10-12 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 * **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** **Architectural Applications:** - Complex architectural extrusions requiring post-forming - Curtain wall components - Window and door frames needing secondary operations - Custom architectural features **Transportation Industry:** - Vehicle trim components - RV and trailer structural members - Automotive body components - Railway interior structures **Industrial Components:** - Machinery parts requiring fabrication after heat treatment - Equipment frames needing bending or forming - Structural components for further processing - Custom fabrications **Consumer Goods:** - Furniture components requiring forming - Sporting equipment - Lighting fixtures - Display systems --- #### **6. Key Characteristics & Advantages** * **Excellent Formability:** Maintains high ductility for complex forming operations after solution treatment * **Enhanced Strength:** Higher mechanical properties than T1 temper while maintaining good workability * **Age-Hardenable:** Can be artificially aged to T6 temper after forming operations for maximum strength * **Good Corrosion Resistance:** Excellent resistance to atmospheric corrosion * **Superior Surface Quality:** Ideal for high-quality anodizing and other surface treatments * **Excellent Weldability:** All common welding methods can be successfully employed * **Good Machinability:** Can be easily machined to precise tolerances --- #### **7. Heat Treatment Process** **Solution Heat Treatment:** - Temperature: 515-525°C (960-980°F) - Time: Sufficient for complete solutionizing - Quenching: Rapid cooling in water or air **Natural Aging:** - Occurs at room temperature - Properties stabilize within several days to weeks - Provides stable mechanical properties **Artificial Aging Potential (to T6):** - Temperature: 175-185°C (347-365°F) - Time: 4-8 hours - Final Strength: 185-230 MPa tensile strength --- #### **8. Processing and Fabrication** **Forming Characteristics:** - Excellent for bending and stretching operations - Suitable for roll forming and deep drawing - Good for complex shape fabrication - Moderate springback characteristics **Machining Properties:** - Good machinability with proper techniques - Better chip control than softer tempers - Good surface finish achievable - Suitable for precision machining **Joining Methods:** - Excellent weldability using TIG and MIG methods - Good for resistance welding - Suitable for adhesive bonding - Mechanical fastening easily accomplished **Surface Treatment Compatibility:** - Excellent for clear and color anodizing - Suitable for powder coating and painting - Good for chemical conversion coatings - Ideal for decorative applications --- #### **9. Quality Assurance** **Testing and Certification:** - Mechanical property testing - Chemical composition verification - Surface quality inspection - Dimensional accuracy checks - Mill test certificates per international standards **Typical Applications:** - Components requiring post-heat treatment fabrication - Parts needing subsequent artificial aging - Applications demanding good formability with moderate strength - Products requiring high surface quality finishes Aluminum 6063-T4 offers a versatile solution for applications requiring the combination of good formability and enhanced mechanical properties. Its ability to be further processed and aged to higher strength conditions makes it particularly valuable for complex manufacturing sequences where forming operations must occur after solution heat treatment.

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 2002 gallon liquid totes Special package is available on request.