6063A Aluminum alloy,Aluminum 6063A alloy,E FORU

### **Aluminum 6063A Alloy: Product Introduction** **Overview** Aluminum 6063A is an enhanced variant of the standard 6063 aluminum-magnesium-silicon alloy, specifically designed to offer **improved mechanical properties while maintaining excellent extrudability and surface finish**. Often referred to as "Architectural Alloy," this grade features modified chemical composition limits that provide **higher strength capabilities** compared to standard 6063, making it particularly suitable for structural applications where both aesthetics and performance are critical. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | Notes | |---------|-------------|-------------|-------| | Silicon (Si) | 0.30 | 0.6 | Tightly controlled for optimal Mg₂Si formation | | Iron (Fe) | - | 0.35 | Controlled to maintain surface quality | | Copper (Cu) | - | 0.10 | Kept low for corrosion resistance | | Manganese (Mn) | - | 0.15 | Limited for good extrudability | | Magnesium (Mg) | 0.50 | 0.9 | Enhanced range for improved strength | | Chromium (Cr) | - | 0.05 | Minimal for corrosion resistance | | Zinc (Zn) | - | 0.15 | Impurity control | | Titanium (Ti) | - | 0.10 | Grain refiner | | 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** | 54-58% IACS (T5 temper) | 54-58% IACS | | **Thermal Conductivity** | 195-210 W/m·K | 1130-1220 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.4 × 10⁻⁶/°C | 13.0 × 10⁻⁶/°F | | **Modulus of Elasticity** | 69 GPa | 10,000 ksi | --- #### **3. Mechanical Properties** **Typical Mechanical Properties by Temper:** | Property | T5 Temper | T6 Temper | T66 Temper | |----------|-----------|-----------|------------| | **Tensile Strength** | 175-215 MPa | 215-245 MPa | 230-260 MPa | | **Yield Strength (0.2% Offset)** | 140-170 MPa | 170-190 MPa | 185-205 MPa | | **Elongation (in 50mm)** | 8-12% | 8-12% | 8-10% | | **Hardness (Brinell)** | 65-75 HB | 75-85 HB | 80-90 HB | --- #### **4. International Standards** * **European Standards (EN):** * EN 573-3: Chemical composition (Designation: EN AW-6063A) * EN 755-2: Mechanical properties for extruded products * EN 12020-2: Precision profiles for general engineering * **ISO Standards:** * ISO 6361-2: Wrought aluminum sheets and strips * ISO 6362-2: Extruded rods, bars, and solid profiles * **National Standards:** * GB/T 3190 (China) * JIS H4100 (Japan) --- #### **5. Product Applications** **Architectural & Construction:** - Structural glazing systems - Curtain wall mullions and transoms - Window and door frames - Roofing and cladding systems - Architectural handrails and balustrades **Transportation:** - Automotive trim components - RV and trailer structures - Bus body frames - Railway interior components **Industrial Applications:** - Heat sinks for electronics - Machinery guards and enclosures - Conveyor system components - Furniture frames and structures **Consumer Goods:** - Ladder components - Sporting equipment - Lighting fixtures - Home appliance frames --- #### **6. Key Characteristics & Advantages** * **Enhanced Mechanical Properties:** Higher strength compared to standard 6063, particularly in T6 and T66 tempers * **Excellent Extrudability:** Capable of producing complex, thin-walled profiles with tight tolerances * **Superior Surface Finish:** Ideal for anodizing, powder coating, and other surface treatments * **Good Corrosion Resistance:** Excellent performance in atmospheric and marine environments * **High Thermal Conductivity:** Suitable for heat transfer applications * **Excellent Weldability:** All common welding methods can be successfully employed * **Good Machinability:** Can be easily machined to precise dimensions --- #### **7. Processing Characteristics** **Extrusion Properties:** - Excellent for complex cross-sections - Suitable for thin-walled profiles (down to 0.8mm) - Good surface quality with minimal die lines - High extrusion speeds achievable **Heat Treatment Response:** - Rapid response to artificial aging - Consistent mechanical properties - Good stability after thermal exposure **Surface Treatment Compatibility:** - Excellent anodizing response (clear and color anodizing) - Suitable for electrophoretic coating - Good adhesion for powder coatings - Compatible with wood-effect finishes --- #### **8. Quality Assurance & Standards Compliance** **Testing Requirements:** - Mechanical property verification - Chemical composition analysis - Surface quality inspection - Dimensional accuracy checks **Certification:** - Mill test certificates per EN 10204 3.1/3.2 - Third-party inspection available - Traceability maintained throughout production The 6063A alloy represents an optimal balance between mechanical performance, manufacturing efficiency, and aesthetic qualities, making it the preferred choice for high-quality architectural and structural applications across multiple industries.

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 1999 gallon liquid totes Special package is available on request.