6463-T6 Aluminum alloy,Aluminum 6463-T6 alloy，E FORU

### **Aluminum 6463-T6 Alloy (EN AW-6463) - Product Introduction** **Aluminum 6463-T6** is a heat-treatable aluminum-magnesium-silicon alloy that has been solution heat-treated and artificially aged to achieve optimal mechanical properties. This temper provides the highest strength in the 6463 alloy system while maintaining the excellent anodizing characteristics and surface quality that make this alloy particularly suitable for high-performance architectural and structural applications. --- #### **1. Chemical Composition** The chemical composition ensures superior anodizing quality and mechanical performance: | 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 | --- #### **2. Physical Properties** Aluminum 6463-T6 exhibits excellent physical properties for structural applications: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.70 g/cm³ | 0.0975 lb/in³ | | **Melting Range** | 615 - 655 °C | 1140 - 1210 °F | | **Electrical Conductivity** | 46-50 % IACS | 46-50 % IACS | | **Thermal Conductivity** | 175-190 W/m·K | 1215-1320 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 (T6 Temper):** | Property | Metric Value | Imperial Value | |---|---|---| | **Tensile Strength, Ultimate** | 180-210 MPa | 26,100-30,500 psi | | **Tensile Strength, Yield (0.2%)** | 150-180 MPa | 21,800-26,100 psi | | **Elongation in 50mm** | 12-16% | 12-16% | | **Hardness (Brinell)** | 60-70 HB | 60-70 HB | | **Shear Strength** | 125 MPa | 18,100 psi | | **Fatigue Strength** | 75 MPa | 10,900 psi | | **Poisson's Ratio** | 0.33 | 0.33 | --- #### **4. International Standards** Aluminum 6463-T6 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-T6 is ideal for high-performance applications requiring both strength and superior surface quality: * **Architectural Structures:** High-strength window systems, curtain wall mullions * **Structural Components:** Building frameworks, support structures * **Transportation Applications:** Bus and rail interior structures, vehicle trim * **Marine Hardware:** Boat rails and structural components * **Lighting Systems:** Structural lighting supports, high-power fixture frames * **Solar Structures:** Solar panel support frames and mounting systems * **Display Systems:** Heavy-duty exhibition structures, display frameworks * **Consumer Products:** High-strength furniture frames, sporting equipment --- #### **6. Key Advantages & Characteristics** * **High Strength:** Optimal mechanical properties for structural applications * **Excellent Anodizing Quality:** Maintains superior surface characteristics * **Good Toughness:** Balanced combination of strength and ductility * **Corrosion Resistance:** Excellent atmospheric corrosion performance * **Weldability:** Can be welded using proper procedures and filler materials * **Machinability:** Good machining characteristics with appropriate tooling * **Dimensional Stability:** Stable properties for precision applications * **Aesthetic Appeal:** Excellent surface finish for visible applications **Heat Treatment Process:** - Solution Treatment: 515-540°C (960-1004°F) for 20-60 minutes - Rapid quenching in water - Artificial Aging: 160-180°C (320-355°F) for 6-10 hours - Air cooling to room temperature **Fabrication Characteristics:** - **Bendability:** Moderate - requires careful consideration of bend radius - **Minimum Bend Radius:** 2-3T (depending on thickness and grain direction) - **Machining:** Use sharp carbide tools with positive rake angles - **Welding:** GTAW and GMAW with 4043 or 5356 filler wire - **Post-weld Heat Treatment:** May be required for critical applications **Anodizing Performance:** - Excellent for clear and color anodizing processes - Uniform oxide layer formation - Good dye absorption and color consistency - High surface hardness after anodizing - Suitable for both decorative and protective applications --- **Quality Assurance:** - Consistent mechanical properties through full heat treatment - Excellent surface quality with minimal imperfections - Reliable performance in structural applications - Certified material traceability **Processing Recommendations:** - Avoid excessive cold working before heat treatment - Protect surfaces from damage during handling - Store in clean, dry conditions - Complete major forming operations before final aging --- **Conclusion:** Aluminum 6463-T6 offers the ultimate combination of mechanical properties and surface quality within the 6463 alloy system. Its full solution heat treatment and artificial aging provide the highest strength levels while maintaining the excellent anodizing characteristics that make this alloy particularly valuable for architectural and high-visibility structural applications. The T6 temper is the preferred choice for applications demanding both structural performance and aesthetic excellence, ensuring reliable service in demanding environments while providing outstanding visual appeal.

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 2087 gallon liquid totes Special package is available on request.