6206 Aluminum alloy,Aluminum 6206 alloy,E FORU

### **Aluminum 6206 Alloy: Product Introduction** **Overview** Aluminum 6206 is a heat-treatable aluminum-magnesium-silicon alloy that offers an **enhanced combination of strength and extrudability**. This alloy is specifically designed to provide **improved mechanical properties** compared to standard 6061 alloy, while maintaining good corrosion resistance and manufacturing characteristics. 6206 is particularly suitable for structural applications requiring higher strength and good workability. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | |---------|-------------|-------------| | Silicon (Si) | 0.6 | 1.3 | | Iron (Fe) | - | 0.50 | | Copper (Cu) | 0.10 | 0.30 | | Manganese (Mn) | 0.05 | 0.20 | | Magnesium (Mg) | 0.8 | 1.3 | | Chromium (Cr) | 0.05 | 0.20 | | Zinc (Zn) | - | 0.20 | | Titanium (Ti) | - | 0.10 | | Other (Each) | - | 0.05 | | Other (Total) | - | 0.15 | | **Aluminum (Al)** | **Balance** | | --- #### **2. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Density** | 2.71 g/cm³ | 0.0979 lb/in³ | | **Melting Range** | 580-650 °C | 1076-1202 °F | | **Electrical Conductivity** | 44-48% IACS | 44-48% IACS | | **Thermal Conductivity** | 170-185 W/m·K | 985-1070 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C | 13.1 × 10⁻⁶/°F | | **Modulus of Elasticity** | 69.0 GPa | 10,007 ksi | --- #### **3. Mechanical Properties** **Typical Mechanical Properties by Temper:** | Property | T4 Temper | T5 Temper | T6 Temper | |----------|-----------|-----------|-----------| | **Tensile Strength** | 250-290 MPa | 290-330 MPa | 330-370 MPa | | **Yield Strength (0.2% Offset)** | 140-180 MPa | 250-290 MPa | 300-340 MPa | | **Elongation (in 50mm)** | 14-18% | 10-14% | 8-12% | | **Hardness (Brinell)** | 75-85 HB | 95-105 HB | 105-115 HB | | **Shear Strength** | 170-200 MPa | 200-230 MPa | 220-250 MPa | --- #### **4. International Standards** * **ASTM Standards:** * ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes * ASTM B211: Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire * **European Standards (EN):** * EN 573-3: Chemical composition * EN 755-2: Mechanical properties for extruded products * **ISO Standards:** * ISO 6361-2: Wrought aluminum and aluminum alloy sheets, strips and plates * ISO 6362-2: Wrought aluminum and aluminum alloy extruded rods/bars, tubes and profiles --- #### **5. Product Applications** **Transportation Industry:** - Automotive structural components - Truck and bus frame members - Railway vehicle structural elements - Marine structural components **Structural Applications:** - Bridge components - Building structural frameworks - Structural supports and columns - Heavy structural elements **Industrial Equipment:** - High-stress machinery components - Material handling equipment - Industrial automation structures - Heavy equipment frames **Special Applications:** - High-strength architectural structures - Defense equipment components - Renewable energy structures - Special engineering components --- #### **6. Key Characteristics & Advantages** * **Enhanced Strength Properties:** Superior mechanical properties compared to standard 6061 alloy * **Good Extrudability:** Capable of producing complex structural profiles * **Good Corrosion Resistance:** Adequate performance in various environmental conditions * **Excellent Fatigue Performance:** Enhanced resistance to cyclic loading conditions * **Good Weldability:** Can be welded using common methods with proper procedures * **Adequate Machinability:** Can be machined using appropriate techniques * **Heat Treatable:** Responsive to solution treatment and aging processes --- #### **7. Heat Treatment Process** **Solution Heat Treatment:** - Temperature: 530-540°C (986-1004°F) - Time: 30-45 minutes depending on thickness - Quenching: Rapid water quenching **Artificial Aging:** - T5 Temper: 170-180°C (338-356°F) for 4-8 hours - T6 Temper: 165-175°C (329-347°F) for 6-10 hours --- #### **8. Processing and Fabrication** **Extrusion Characteristics:** - Good for medium to high complexity profiles - Requires higher extrusion pressures than standard alloys - Good surface quality achievable - Suitable for structural sections **Machining Properties:** - Good machinability with carbide tools - Requires appropriate cutting parameters - Good surface finish obtainable - Suitable for precision components **Forming Operations:** - Best formability in T4 temper - Suitable for moderate bending operations - Requires careful handling in T6 temper - Adequate for most structural applications **Joining Methods:** - Good TIG and MIG weldability - Requires qualified welding procedures - Suitable for mechanical fastening - Adhesive bonding applicable --- #### **9. Quality Assurance** **Testing Requirements:** - Comprehensive mechanical testing - Chemical composition analysis - Microstructural examination - Non-destructive testing as required **Certification:** - Mill test certificates per international standards - Process control documentation - Full traceability records - Third-party inspection available --- **Technical Note:** Aluminum 6206 represents an enhanced variant within the 6xxx series aluminum alloys, offering improved strength characteristics that make it particularly suitable for demanding structural applications. The optimized chemical composition, with enhanced magnesium and controlled copper content, provides the foundation for superior mechanical properties through proper heat treatment. This alloy is especially valuable for transportation and structural applications where higher strength requirements must be met while maintaining good corrosion resistance and manufacturability. While it may require more careful processing than standard 6061 alloy, its superior mechanical properties make it an excellent choice for critical structural components across various high-performance sectors.

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 2061 gallon liquid totes Special package is available on request.