6963 Aluminum alloy,Aluminum 6963 alloy，E FORU

### **Aluminum 6963 Alloy (EN AW-6963) - Product Introduction** **Aluminum 6963** is a heat-treatable aluminum-magnesium-silicon alloy specifically designed for excellent extrudability and superior surface finish. This alloy is particularly valued for its outstanding anodizing characteristics and good mechanical properties, making it ideal for architectural applications and high-quality finished products where appearance is crucial. --- #### **1. Chemical Composition** The chemical composition is optimized for superior surface quality and anodizing performance: | Element | Content (%) (Typical) | Standard Range (EN 573-3) | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Magnesium (Mg)** | 0.40 - 0.7 | 0.40 - 0.7 | | **Silicon (Si)** | 0.20 - 0.5 | 0.20 - 0.5 | | **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)** | ≤ 0.03 | ≤ 0.03 | | **Others (Each)** | ≤ 0.03 | ≤ 0.03 | | **Others (Total)** | ≤ 0.10 | ≤ 0.10 | *The extremely low levels of iron and other impurities ensure excellent, streak-free anodized surfaces.* --- #### **2. Physical Properties** Aluminum 6963 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** | 52-56 % IACS (T5 Temper) | 52-56 % 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 | | **Specific Heat Capacity** | 900 J/kg·K | 0.215 BTU/lb·°F | --- #### **3. Mechanical Properties** Balanced mechanical properties optimized for surface-critical applications: | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |---|---|---|---|---| | **T4** | 150-180 | 80-110 | 18-22 | 45-55 | | **T5** | 180-210 | 140-170 | 14-18 | 60-70 | | **T6** | 200-230 | 170-200 | 12-16 | 65-75 | | **T651** | 210-240 | 180-210 | 11-15 | 68-78 | --- #### **4. International Standards** Aluminum 6963 complies with the following international standards: * **European Standard (EN):** **EN AW-6963** (Material Number 3.3209) * **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 * **QUALANOD:** Certified for quality anodizing applications * **ASTM:** **ASTM B221** for general extrusion applications * **National Equivalents:** DIN 3.3209 (Germany), BS (UK) --- #### **5. Product Applications** Aluminum 6963 is primarily used in high-visibility applications requiring superior surface quality: * **Architectural Systems:** High-end window and door systems, curtain walls * **Decorative Trim:** Automotive trim, appliance trim, decorative moldings * **Lighting Fixtures:** Reflector panels, premium light fixtures * **Consumer Electronics:** Camera bodies, electronic enclosures * **Furniture Components:** High-quality furniture frames and decorative elements * **Signage & Display:** Architectural signs, display systems * **Solar Panel Frames:** Photovoltaic module frames * **Interior Design:** Decorative panels, architectural features --- #### **6. Key Advantages & Characteristics** * **Superior Anodizing Quality:** Produces brilliant, uniform anodized surfaces * **Excellent Surface Finish:** Ideal for mechanical polishing and bright finishing * **Color Consistency:** Excellent color uniformity 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 production batches **Anodizing Performance:** - Clear, transparent anodized layer - Excellent for both clear and color anodizing - Uniform layer thickness distribution - Good adhesion of anodic coating **Heat Treatment Characteristics:** - Solution heat treatment temperature: 520-540°C (968-1004°F) - Artificial aging temperature: 160-180°C (320-356°F) - Good response to both natural and artificial aging - Stable mechanical properties after aging --- **Quality Assurance:** - Strict composition control for consistent anodizing results - Regular surface quality testing - Anodizing performance verification - Certified material for architectural applications **Processing Recommendations:** - Handle with clean gloves to prevent surface contamination - Store in clean, dry conditions - Use protective packaging during transportation - Clean surfaces thoroughly before anodizing --- **Conclusion:** Aluminum 6963 is a premium alloy specifically engineered for applications demanding the highest standards of surface quality and anodizing performance. Its pure composition and optimized processing make it the material of choice 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. For projects requiring superior surface finish and anodizing excellence, Aluminum 6963 delivers outstanding performance and 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 2094 gallon liquid totes Special package is available on request.