6463A Aluminum alloy,Aluminum 6463A alloy，E FORU

### **Aluminum 6463A Alloy (EN AW-6463A) - Product Introduction** **Aluminum 6463A** is a heat-treatable aluminum-magnesium-silicon alloy specifically designed for excellent anodizing characteristics and superior surface finish. This alloy is an enhanced version of the standard 6463, with improved composition controls to ensure consistent high-quality surface appearance after anodizing, making it particularly suitable for architectural and decorative applications where aesthetic appeal is paramount. --- #### **1. Chemical Composition** The chemical composition is optimized for superior anodizing quality and surface finish: | 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 extremely low levels of iron and other impurities ensure a brilliant, uniform surface after anodizing without dark spots or streaks.* --- #### **2. Physical Properties** Aluminum 6463A exhibits excellent physical properties for architectural 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** | 50-55 % IACS (T5 Temper) | 50-55 % IACS | | **Thermal Conductivity** | 190-205 W/m·K | 1320-1420 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 | | **Thermal Capacity** | 900 J/kg·K | 0.215 BTU/lb·°F | --- #### **3. Mechanical Properties** Balanced mechanical properties for architectural applications: | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |---|---|---|---|---| | **T1** | 120-150 | 60-90 | 20-25 | 40-50 | | **T4** | 140-170 | 70-100 | 18-22 | 45-55 | | **T5** | 160-190 | 120-150 | 14-18 | 55-65 | | **T6** | 180-210 | 150-180 | 12-16 | 60-70 | --- #### **4. International Standards** Aluminum 6463A complies with the following international standards: * **European Standard (EN):** **EN AW-6463A** (Material Number 3.1207) * **ISO:** **AlMgSi** under ISO 209 with special surface quality requirements * **EN 755:** Aluminum and aluminum alloy extruded rod/bar, tube and profiles * **EN 12020:** Aluminum and aluminum alloys - Extruded precision profiles * **EN 15088:** Aluminum and aluminum alloys - Structural products for construction works * **QUALANOD:** Certification for anodizing quality aluminum * **ASTM:** **ASTM B221** for general extrusion applications * **National Equivalents:** DIN 3.1207 (Germany), BS (UK) --- #### **5. Product Applications** Premium applications requiring superior surface quality: * **Architectural Profiles:** High-end window frames, door frames, curtain walls * **Decorative Trims:** Automotive trim, appliance trim, decorative moldings * **Lighting Systems:** Light fixtures, reflector panels, lamp housings * **Consumer Electronics:** Camera bodies, electronic enclosures, heat sinks * **Furniture Components:** High-quality furniture frames, decorative elements * **Signage & Display:** Architectural signs, display systems, exhibition structures * **Solar Panel Frames:** Photovoltaic module frames requiring corrosion resistance * **Interior Design:** Decorative panels, railings, architectural features --- #### **6. Key Advantages & Characteristics** * **Superior Anodizing Quality:** Produces brilliant, uniform anodized surfaces * **Excellent Surface Finish:** Mirror-like surface quality after polishing * **Color Consistency:** Uniform color acceptance in anodizing and coloring * **Good Extrudability:** Can be extruded into complex, thin-walled profiles * **Corrosion Resistance:** Excellent atmospheric corrosion resistance * **Formability:** Good bending and forming characteristics * **Weldability:** Suitable for welding with proper procedures * **Recyclability:** Fully recyclable without quality degradation **Surface Quality Features:** - Minimal surface imperfections and defects - Excellent for bright anodizing and mechanical polishing - Uniform etching characteristics - Consistent appearance across batches **Anodizing Performance:** - Clear, transparent anodized layer - Excellent for both clear and color anodizing - Uniform layer thickness distribution - Good adhesion of anodic coating **Manufacturing Benefits:** - Consistent performance in extrusion - Good die life and production efficiency - Reduced rejection rates for surface quality issues - Suitable for high-volume production --- **Quality Assurance:** - Strict composition control for consistent anodizing results - Regular surface quality testing - Anodizing performance verification - Certified material for architectural applications **Conclusion:** Aluminum 6463A is the premium choice for applications demanding the highest standards of surface quality and anodizing performance. Its enhanced composition controls and optimized properties make it ideal for architectural, decorative, and high-visibility applications where aesthetic appearance is critical. The alloy's consistent performance, excellent anodizing characteristics, and compliance with international quality standards ensure reliable results for the most demanding surface-quality 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 2082 gallon liquid totes Special package is available on request.