6463-T4 Aluminum alloy,Aluminum 6463-T4 alloy，E FORU

### **Aluminum 6463-T4 Alloy (EN AW-6463) - Product Introduction** **Aluminum 6463-T4** is a heat-treatable aluminum-magnesium-silicon alloy in the solution heat-treated and naturally aged condition. This temper offers an excellent balance of moderate strength, good formability, and the characteristic excellent anodizing quality of the 6463 alloy system, making it suitable for applications requiring fabrication before final aging or use. --- #### **1. Chemical Composition** The chemical composition is optimized for superior surface finish and anodizing response: | Element | Content (%) (Typical) | Standard Range (EN 573-3) | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Magnesium (Mg)** | 0.30 - 0.6 | 0.30 - 0.6 | | **Silicon (Si)** | 0.20 - 0.6 | 0.20 - 0.6 | | **Iron (Fe)** | ≤ 0.15 | ≤ 0.15 | | **Copper (Cu)** | ≤ 0.05 | ≤ 0.05 | | **Manganese (Mn)** | ≤ 0.05 | ≤ 0.05 | | **Chromium (Cr)** | ≤ 0.03 | ≤ 0.03 | | **Zinc (Zn)** | ≤ 0.05 | ≤ 0.05 | | **Titanium (Ti)** | ≤ 0.05 | ≤ 0.05 | | **Others (Each)** | ≤ 0.03 | ≤ 0.03 | | **Others (Total)** | ≤ 0.10 | ≤ 0.10 | *The low iron and copper content ensures brilliant, streak-free anodized surfaces.* --- #### **2. Physical Properties** Aluminum 6463-T4 exhibits well-balanced physical characteristics: | 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** | 190-200 W/m·K | 1320-1390 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.3 × 10⁻⁶/K | 12.9 × 10⁻⁶/°F | | **Modulus of Elasticity** | 69 GPa | 10,000 ksi | | **Shear Modulus** | 26 GPa | 3,770 ksi | --- #### **3. Mechanical Properties** **Typical Mechanical Properties (T4 Temper):** | Property | Metric Value | Imperial Value | |---|---|---| | **Tensile Strength, Ultimate** | 130-160 MPa | 18,900-23,200 psi | | **Tensile Strength, Yield (0.2%)** | 70-100 MPa | 10,200-14,500 psi | | **Elongation in 50mm** | 18-22% | 18-22% | | **Hardness (Brinell)** | 40-50 HB | 40-50 HB | | **Shear Strength** | 95 MPa | 13,800 psi | | **Fatigue Strength** | 60 MPa | 8,700 psi | | **Poisson's Ratio** | 0.33 | 0.33 | --- #### **4. International Standards** Aluminum 6463-T4 conforms to these international standards: * **European Standard (EN):** **EN AW-6463** (Material Number 3.1206) * **ISO:** **AlMgSi** under ISO 209 * **EN 755:** Aluminum and aluminum alloy extruded rod/bar, tube and profiles * **EN 12020:** Aluminum and aluminum alloys - Extruded precision profiles * **ASTM:** **ASTM B221** for Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes * **QUALANOD:** Certified for quality anodizing applications * **National Equivalents:** DIN 3.1206 (Germany), BS (UK) --- #### **5. Product Applications** Aluminum 6463-T4 is ideal for applications requiring fabrication before final aging: * **Architectural Components:** Window and door frame members requiring forming * **Heat Exchangers:** Fins and tubes needing shaping operations * **Lighting Systems:** Reflector panels and fixture components * **Electronic Enclosures:** Housings requiring bending and forming * **Display Fixtures:** Exhibition and display structural members * **Furniture Frames:** Structural components for furniture applications * **Automotive Trim:** Decorative trim parts requiring fabrication * **Prototype Development:** Components for testing and evaluation --- #### **6. Key Advantages & Characteristics** * **Good Formability:** Excellent for bending and forming operations * **Moderate Strength:** Suitable for many structural applications * **Superior Surface Quality:** Excellent for high-quality anodizing * **Natural Aging Stability:** Properties stabilize at room temperature * **Weldability:** Can be welded using standard aluminum methods * **Machinability:** Good machining characteristics * **Heat Treatable:** Can be artificially aged to higher strength tempers * **Corrosion Resistance:** Good atmospheric corrosion resistance **Heat Treatment Process:** - Solution Treatment: 515-540°C (960-1004°F) - Quenching: Water quench for maximum properties - Natural Aging: 4-10 days at room temperature - Can be artificially aged to T5 or T6 temper **Fabrication Characteristics:** - **Bendability:** Good for moderate bending operations - **Minimum Bend Radius:** 1-2T (depending on thickness and orientation) - **Machining:** Use sharp tools with positive rake angles - **Welding:** GTAW and GMAW with 4043 or 5356 filler wire **Aging Characteristics:** - Natural aging substantially complete in 4-7 days - Properties remain stable after aging - Can be stored for extended periods without property changes - Suitable for artificial aging to achieve higher strength --- **Processing Recommendations:** - Form within 24 hours of solution heat treatment for best results - Protect surfaces from damage during handling and fabrication - Store in dry conditions to prevent surface contamination - Complete fabrication before final aging for optimal results **Quality Assurance:** - Consistent mechanical properties - Excellent surface quality for anodizing - Reliable performance in fabrication - Suitable for quality-critical applications --- **Conclusion:** Aluminum 6463-T4 provides an optimal combination of fabricability, moderate strength, and excellent surface characteristics for applications requiring intermediate processing between solution treatment and final aging. Its ability to be formed and fabricated while maintaining good anodizing potential makes it particularly valuable for architectural, lighting, and decorative applications. The alloy's consistent performance and compliance with international standards ensure reliable results for manufacturers requiring both process flexibility and final product quality.

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 2085 gallon liquid totes Special package is available on request.